Replace the gc extension in content shell with a gin::Wrappable class

content/shell/renderer/webkit_test_runner.cc

 // Copyright (c) 2012 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 "content/shell/renderer/webkit_test_runner.h"
 
 #include <algorithm>
 #include <clocale>
 #include <cmath>
 
@@ skipping 10 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/renderer/history_item_serialization.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/public/test/layouttest_support.h"
 #include "content/shell/common/shell_messages.h"
 #include "content/shell/common/webkit_test_helpers.h"
+#include "content/shell/renderer/gc_controller.h"
 #include "content/shell/renderer/shell_render_process_observer.h"
 #include "content/shell/renderer/test_runner/WebTask.h"
 #include "content/shell/renderer/test_runner/WebTestInterfaces.h"
 #include "content/shell/renderer/test_runner/WebTestProxy.h"
 #include "content/shell/renderer/test_runner/WebTestRunner.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/public/platform/Platform.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
@@ skipping 497 matching lines @@
         PageStateToHistoryItem(session_histories_[pos][entry]);
   }
   history->swap(result);
 }
 
 // RenderViewObserver  --------------------------------------------------------
 
 void WebKitTestRunner::DidClearWindowObject(WebFrame* frame, int world_id) {
   WebTestingSupport::injectInternalsObject(frame);
   ShellRenderProcessObserver::GetInstance()->test_interfaces()->bindTo(frame);
+  if (world_id == 0)
+    GCController::Install(frame);
 }
 
 bool WebKitTestRunner::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(WebKitTestRunner, message)
     IPC_MESSAGE_HANDLER(ShellViewMsg_SetTestConfiguration,
                         OnSetTestConfiguration)
     IPC_MESSAGE_HANDLER(ShellViewMsg_SessionHistory, OnSessionHistory)
     IPC_MESSAGE_HANDLER(ShellViewMsg_Reset, OnReset)
     IPC_MESSAGE_HANDLER(ShellViewMsg_NotifyDone, OnNotifyDone)
@@ skipping 136 matching lines @@
       WebURLRequest(GURL(kAboutBlankURL)));
   Send(new ShellViewHostMsg_ResetDone(routing_id()));
 }
 
 void WebKitTestRunner::OnNotifyDone() {
   render_view()->GetWebView()->mainFrame()->executeScript(
       WebScriptSource(WebString::fromUTF8("testRunner.notifyDone();")));
 }
 
 }  // namespace content