[DevTools] Use InspectorFrontendHost.readyForTest for layout tests.

content/shell/browser/layout_test/blink_test_controller.h

 // Copyright 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.
 
 #ifndef CONTENT_SHELL_BROWSER_LAYOUT_TEST_BLINK_TEST_CONTROLLER_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_BLINK_TEST_CONTROLLER_H_
 
 #include <map>
 #include <ostream>
 #include <string>
@@ skipping 184 matching lines @@
   void OnLayoutTestRuntimeFlagsChanged(
       RenderFrameHost* sender,
       const base::DictionaryValue& changed_layout_test_runtime_flags);
   void OnLayoutDumpResponse(RenderFrameHost* sender, const std::string& dump);
   void OnPrintMessage(const std::string& message);
   void OnOverridePreferences(const WebPreferences& prefs);
   void OnTestFinished();
   void OnClearDevToolsLocalStorage();
   void OnShowDevTools(const std::string& settings,
                       const std::string& frontend_url);
+  void OnEvaluateInDevTools(int call_id, const std::string& script);
   void OnCloseDevTools();
   void OnGoToOffset(int offset);
   void OnReload();
   void OnLoadURLForFrame(const GURL& url, const std::string& frame_name);
   void OnCaptureSessionHistory();
   void OnCloseRemainingWindows();
   void OnResetDone();
   void OnLeakDetectionDone(const content::LeakDetectionResult& result);
   void OnSetBluetoothManualChooser(bool enable);
   void OnGetBluetoothManualChooserEvents();
@@ skipping 61 matching lines @@
   // waiting on the UI thread while layout tests are being ran.
   ScopedAllowWaitForAndroidLayoutTests reduced_restrictions_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(BlinkTestController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_LAYOUT_TEST_BLINK_TEST_CONTROLLER_H_