Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/golang.org/x/tools/cmd/heapview/client/.clang-format

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+BasedOnStyle: Google

vendor/golang.org/x/tools/cmd/heapview/client/.gitignore

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+/node_modules/

vendor/golang.org/x/tools/cmd/heapview/client/README.md

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+# Go Heap Viewer Client
+
+This directory contains the client Typescript code for the Go
+heap viewer.
+
+## Typescript Tooling
+
+Below are instructions for downloading tooling and files to
+help make the development process more convenient. These tools
+are not required for contributing or running the heap viewer-
+they are just meant as development aids.
+
+## Node and NPM
+
+We use npm to manage the dependencies for these tools. There are
+a couple of ways of installing npm on your system, but we recommend
+using nvm.
+
+Run the following command to install nvm:
+
+    [shell]$ curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.31.3/install.sh | bash
+
+or see the instructions on [the nvm github page](github.com/creationix/nvm)
+for alternative methods. This will put the nvm tool in your home directory
+and edit your path to add nvm, node and other tools you install using them.
+Once nvm is installed, use
+
+    [shell]$ nvm install node
+
+then
+
+    [shell]$ nvm use node
+
+to install node.js.
+
+Once node is installed, you can install typescript using
+
+    [shell]$ npm install -g typescript
+
+Finally, import type definitions into this project by running
+
+    [shell]$ npm install
+
+in this directory. They will be imported into the node_packages directory
+and be automatically available to the Typescript compiler.

vendor/golang.org/x/tools/cmd/heapview/client/main.ts

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+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+/**
+ * An enum of types of actions that might be requested
+ * by the app.
+ */
+enum Action {
+  TOGGLE_SIDEBAR,  // Toggle the sidebar.
+  NAVIGATE_ABOUT,  // Go to the about page.
+}
+
+const TITLE = 'Go Heap Viewer';
+
+/**
+ * A type of event that signals to the AppElement controller
+ * that something shoud be done. For the most part, the structure
+ * of the app will be that elements' state will mostly be controlled
+ * by parent elements. Elements will issue actions that the AppElement
+ * will handle, and the app will be re-rendered down the DOM
+ * hierarchy.
+ */
+class ActionEvent extends Event {
+  static readonly EVENT_TYPE = 'action-event'
+  constructor(public readonly action: Action) { super(ActionEvent.EVENT_TYPE); }
+}
+
+/**
+ * A hamburger menu element. Triggers a TOGGLE_SIDE action to toggle the
+ * sidebar.
+ */
+export class HamburgerElement extends HTMLElement {
+  static readonly NAME = 'heap-hamburger';
+
+  createdCallback() {
+    this.appendChild(document.createTextNode('☰'));
+    this.onclick =
+        () => { this.dispatchEvent(new ActionEvent(Action.TOGGLE_SIDEBAR)) };
+  }
+}
+document.registerElement(HamburgerElement.NAME, HamburgerElement);
+
+/**
+ * A heading for the page with a hamburger menu and a title.
+ */
+export class HeadingElement extends HTMLElement {
+  static readonly NAME = 'heap-heading';
+
+  createdCallback() {
+    this.style.display = 'block';
+    this.style.backgroundColor = '#2196F3';
+    this.style.webkitUserSelect = 'none';
+    this.style.cursor = 'default';
+    this.style.color = '#FFFFFF';
+    this.style.padding = '10px';
+
+    const div = document.createElement('div');
+    div.style.margin = '0px';
+    div.style.fontSize = '2em';
+    div.appendChild(document.createElement(HamburgerElement.NAME));
+    div.appendChild(document.createTextNode(' ' + TITLE));
+    this.appendChild(div);
+  }
+}
+document.registerElement(HeadingElement.NAME, HeadingElement);
+
+/**
+ * A sidebar that has navigation for the app.
+ */
+export class SidebarElement extends HTMLElement {
+  static readonly NAME = 'heap-sidebar';
+
+  createdCallback() {
+    this.style.display = 'none';
+    this.style.backgroundColor = '#9E9E9E';
+    this.style.width = '15em';
+
+    const aboutButton = document.createElement('button');
+    aboutButton.innerText = 'about';
+    aboutButton.onclick =
+        () => { this.dispatchEvent(new ActionEvent(Action.NAVIGATE_ABOUT)) };
+    this.appendChild(aboutButton);
+  }
+
+  toggle() {
+    this.style.display = this.style.display === 'none' ? 'block' : 'none';
+  }
+}
+document.registerElement(SidebarElement.NAME, SidebarElement);
+
+/**
+ * A Container for the main content in the app.
+ * TODO(matloob): Implement main content.
+ */
+export class MainContentElement extends HTMLElement {
+  static readonly NAME = 'heap-container';
+
+  attachedCallback() {
+    this.style.backgroundColor = '#E0E0E0';
+    this.style.height = '100%';
+    this.style.flex = '1';
+  }
+}
+document.registerElement(MainContentElement.NAME, MainContentElement);
+
+/**
+ * A container and controller for the whole app.
+ * Contains the heading, side drawer and main panel.
+ */
+class AppElement extends HTMLElement {
+  static readonly NAME = 'heap-app';
+  private sidebar: SidebarElement;
+  private mainContent: MainContentElement;
+
+  attachedCallback() {
+    document.title = TITLE;
+
+    this.addEventListener(
+        ActionEvent.EVENT_TYPE, e => this.handleAction(e as ActionEvent),
+        /* capture */ true);
+
+    this.render();
+  }
+
+  render() {
+    this.style.display = 'block';
+    this.style.height = '100vh';
+    this.style.width = '100vw';
+    this.appendChild(document.createElement(HeadingElement.NAME));
+
+    const bodyDiv = document.createElement('div');
+    bodyDiv.style.height = '100%';
+    bodyDiv.style.display = 'flex';
+    this.sidebar =
+        document.createElement(SidebarElement.NAME) as SidebarElement;
+    bodyDiv.appendChild(this.sidebar);
+    this.mainContent =
+        document.createElement(MainContentElement.NAME) as MainContentElement;
+    bodyDiv.appendChild(this.mainContent);
+    this.appendChild(bodyDiv);
+
+    this.renderRoute();
+  }
+
+  renderRoute() {
+    this.mainContent.innerHTML = ''
+    switch (window.location.pathname) {
+      case '/about':
+        this.mainContent.appendChild(
+            document.createElement(AboutPageElement.NAME));
+        break;
+    }
+  }
+
+  handleAction(event: ActionEvent) {
+    switch (event.action) {
+      case Action.TOGGLE_SIDEBAR:
+        this.sidebar.toggle();
+        break;
+      case Action.NAVIGATE_ABOUT:
+        window.history.pushState({}, '', '/about');
+        this.renderRoute();
+        break;
+    }
+  }
+}
+document.registerElement(AppElement.NAME, AppElement);
+
+/**
+ * An about page.
+ */
+class AboutPageElement extends HTMLElement {
+  static readonly NAME = 'heap-about';
+
+  createdCallback() { this.textContent = TITLE; }
+}
+document.registerElement(AboutPageElement.NAME, AboutPageElement);
+
+/**
+ * Resets body's margin and padding, and sets font.
+ */
+function clearStyle(document: Document) {
+  const styleElement = document.createElement('style') as HTMLStyleElement;
+  document.head.appendChild(styleElement);
+  const styleSheet = styleElement.sheet as CSSStyleSheet;
+  styleSheet.insertRule(
+      '* {font-family: Roboto,Helvetica; box-sizing: border-box}', 0);
+  styleSheet.insertRule('body {margin: 0px; padding:0px}', 0);
+}
+
+export function main() {
+  clearStyle(document);
+  document.body.appendChild(document.createElement(AppElement.NAME));
+}

vendor/golang.org/x/tools/cmd/heapview/client/main_test.ts

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+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+import {HamburgerElement, HeadingElement, SidebarElement, main} from './main';
+
+describe('main', () => {
+  it('sets the document\'s title', () => {
+    main();
+    expect(document.title).toBe('Go Heap Viewer');
+  });
+
+  it('has a heading', () => {
+    main();
+    expect(document.querySelector(HeadingElement.NAME)).toBeDefined();
+  });
+
+  it('has a sidebar', () => {
+    main();
+    const hamburger = document.querySelector(HamburgerElement.NAME);
+    const sidebar =
+        document.querySelector(SidebarElement.NAME) as SidebarElement;
+    expect(sidebar.style.display).toBe('none');
+
+    // Click on the hamburger. Sidebar should then be visible.
+    hamburger.dispatchEvent(new Event('click'));
+    expect(sidebar.style.display).toBe('block');
+  })
+});

vendor/golang.org/x/tools/cmd/heapview/client/package.json

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+{
+  "//": [
+    "Copyright 2016 The Go Authors. All rights reserved.",
+    "Use of this source code is governed by a BSD-style",
+    "license that can be found in the LICENSE file.",
+
+    "This file exists to help import typescript typings",
+    "for web features used in this project. Neither the",
+    "typings nor node or npm are required to do development",
+    "on the code in this project.",
+
+    "If you do have npm installed, use the `npm i` command",
+    "in this directory to install the typings."
+  ],
+  "private": true,
+  "name": "@golangtools/heapview",
+  "version": "0.0.0",
+  "devDependencies": {
+    "@types/webcomponents.js": "latest",
+    "@types/whatwg-fetch": "latest",
+    "@types/jasmine": "latest",
+
+    "jasmine-core": "latest",
+    "karma": "latest",
+    "karma-jasmine": "latest",
+    "karma-chrome-launcher": "latest",
+
+    "clang-format": "latest"
+  },
+  "scripts": {
+    "test": "karma start testing/karma.conf.js",
+    "format": "find . | grep '\\(test_main\\.js\\|\\.ts\\)$' | xargs clang-format -i",
+    "lint": "tslint --project ."
+  }
+}

vendor/golang.org/x/tools/cmd/heapview/client/testing/karma.conf.js

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+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+module.exports = config => {
+    config.set({
+        frameworks: ['jasmine'],
+        basePath: '../../../..',
+        files: [
+            'third_party/webcomponents/customelements.js',
+            'third_party/typescript/typescript.js',
+            'third_party/moduleloader/moduleloader.js',
+            'cmd/heapview/client/testing/test_main.js',
+            {pattern: 'cmd/heapview/client/**/*.ts', included: false},
+        ],
+        browsers: ['Chrome'],
+        plugins: [
+            'karma-jasmine',
+            'karma-chrome-launcher'
+        ],
+    })
+}

vendor/golang.org/x/tools/cmd/heapview/client/testing/test_main.js

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+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Configure module loader.
+System.transpiler = 'typescript'
+System.typescriptOptions = {
+  target: ts.ScriptTarget.ES2015
+};
+System.locate = (load) => load.name + '.ts';
+
+// Determine set of test files.
+var tests = [];
+for (var file in window.__karma__.files) {
+  if (window.__karma__.files.hasOwnProperty(file)) {
+    if (/_test\.ts$/.test(file)) {
+      tests.push(file.slice(0, -3));
+    }
+  }
+}
+
+// Steal loaded callback so we can block until we're
+// done loading all test modules.
+var loadedCallback = window.__karma__.loaded.bind(window.__karma__);
+window.__karma__.loaded = () => {};
+
+// Load all test modules, and then call loadedCallback.
+var promises = [];
+for (var i = 0; i < tests.length; i++) {
+  promises.push(System.import(tests[i]));
+}
+Promise.all(promises).then(loadedCallback);

vendor/golang.org/x/tools/cmd/heapview/client/tsconfig.json

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+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// This file contains configuration for the Typescript
+// compiler if you're running it locally for typechecking
+// and other tooling. The Typescript compiler is
+// not necessary to do development on this project.
+
+{
+  "compilerOptions": {
+    "noEmit": true,
+    "strictNullChecks": true,
+    "target": "es2015"
+  }
+}

vendor/golang.org/x/tools/cmd/heapview/client/tslint.json

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+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// This tslint file is based on a configuration used at
+// Google.
+
+{
+  "rules": {
+    "class-name": true,
+    "forin": true,
+    "interface-name": [true, "never-prefix"],
+    "jsdoc-format": true,
+    "label-position": true,
+    "label-undefined": true,
+    "new-parens": true,
+    "no-angle-bracket-type-assertion": true,
+    "no-construct": true,
+    "no-debugger": true,
+    "no-namespace": [true, "allow-declarations"],
+    "no-reference": true,
+    "no-require-imports": true,
+    "no-unused-expression": true,
+    "no-unused-variable": true,
+    "no-use-before-declare": true,
+    "no-var-keyword": true,
+    "semicolon": [true, "always"],
+    "switch-default": true,
+    "triple-equals": [true, "allow-null-check"],
+    "use-isnan": true,
+    "variable-name": [
+      true,
+      "check-format",
+      "ban-keywords",
+      "allow-leading-underscore",
+      "allow-trailing-underscore",
+      "allow-pascal-case"
+    ]
+  }
+}