Moving the contents of chrome://gpu Profiling to chrome://tracing.

chrome/browser/resources/gpu_internals/browser_bridge.js

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 cr.define('gpu', function() {
   /**
    * This class provides a 'bridge' for communicating between javascript and the
    * browser. When run outside of WebUI, e.g. as a regular webpage, it provides
    * synthetic data to assist in testing.
    * @constructor
    */
   function BrowserBridge() {
     // If we are not running inside WebUI, output chrome.send messages
     // to the console to help with quick-iteration debugging.
-    if (chrome.send === undefined && console.log) {
-      this.debugMode_ = true;
+    this.debugMode_ = (chrome.send === undefined && console.log);
+    if (this.debugMode_) {
       var browserBridgeTests = document.createElement('script');
       browserBridgeTests.src = './gpu_internals/browser_bridge_tests.js';
       document.body.appendChild(browserBridgeTests);
-    } else {
-      this.debugMode_ = false;
     }
 
     this.nextRequestId_ = 0;
     this.pendingCallbacks_ = [];
     this.logMessages_ = [];
 
     // Tell c++ code that we are ready to receive GPU Info.
     if (!this.debugMode_) {
       chrome.send('browserBridgeInitialized');
       this.beginRequestClientInfo_();
@@ skipping 109 matching lines @@
     get logMessages() {
       return this.logMessages_;
     }
 
   };
 
   return {
     BrowserBridge: BrowserBridge
   };
 });