Add plumbing for platform based Device Motion testing.

content/renderer/renderer_webkitplatformsupport_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
 #define CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
@@ skipping 10 matching lines @@
 
 namespace cc {
 class ContextProvider;
 }
 
 namespace IPC {
 class SyncMessageFilter;
 }
 
 namespace WebKit {
+class WebDeviceMotionData;
 class WebGraphicsContext3DProvider;
 }
 
 namespace content {
 class DeviceMotionEventPump;
 class GamepadSharedMemoryReader;
 class RendererClipboardClient;
 class ThreadSafeSender;
 class WebClipboardImpl;
 class WebFileSystemImpl;
@@ skipping 102 matching lines @@
   // Tests that do not set up a full sandbox environment should call
   // SetSandboxEnabledForTesting(false) _before_ creating any instances
   // of this class, to ensure that we don't attempt to use sandbox-related
   // file descriptors or other resources.
   //
   // Returns the previous |enable| value.
   static bool SetSandboxEnabledForTesting(bool enable);
 
   // Set WebGamepads to return when sampleGamepads() is invoked.
   static void SetMockGamepadsForTesting(const WebKit::WebGamepads& pads);
+  static void SetMockDeviceMotionDataForTesting(

[jochen (gone - plz use gerrit), 2013/07/15 13:55:08]

nit. please add a comment similar to the one for gamepads 

[timvolodine, 2013/07/16 11:53:44]

Done.

+      const WebKit::WebDeviceMotionData& data);
 
  private:
   bool CheckPreparsedJsCachingEnabled() const;
 
   scoped_ptr<RendererClipboardClient> clipboard_client_;
   scoped_ptr<WebClipboardImpl> clipboard_;
 
   class FileUtilities;
   scoped_ptr<FileUtilities> file_utilities_;
 
@@ skipping 34 matching lines @@
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
   scoped_refptr<cc::ContextProvider> shared_offscreen_context_;
 
   webkit::WebCompositorSupportImpl compositor_support_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_