[ChromeDriver] Expose CPU Profiling DevTools API into chromeWebDriver

chrome/test/chromedriver/window_commands.cc

 // Copyright (c) 2013 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.
 
 #include "chrome/test/chromedriver/window_commands.h"
 
 #include <list>
 #include <string>
 
 #include "base/callback.h"
@@ skipping 239 matching lines @@
 Status ExecuteExecuteScript(
     Session* session,
     WebView* web_view,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
   std::string script;
   if (!params.GetString("script", &script))
     return Status(kUnknownError, "'script' must be a string");
   if (script == ":takeHeapSnapshot") {
     return web_view->TakeHeapSnapshot(value);
+  } else if (script == ":startProfile") {
+    return web_view->StartProfile();
+  } else if (script == ":endProfile") {
+    return web_view->EndProfile(value);
   } else {
     const base::ListValue* args;
     if (!params.GetList("args", &args))
       return Status(kUnknownError, "'args' must be a list");
 
     return web_view->CallFunction(session->GetCurrentFrameId(),
                                   "function(){" + script + "}", *args, value);
   }
 }
 
@@ skipping 603 matching lines @@
   return status;
 }
 
 Status ExecuteTakeHeapSnapshot(
     Session* session,
     WebView* web_view,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
   return web_view->TakeHeapSnapshot(value);
 }