Chromium-side implementation of DeviceMotion.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index daf58486c6501a8c3c1c1b2194342698377f3a49..48a7b5e13d92999360df69b3d92eecb9a6062b72 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -62,6 +62,7 @@
 #include "content/renderer/browser_plugin/old/browser_plugin_channel_manager.h"
 #include "content/renderer/browser_plugin/old/browser_plugin_constants.h"
 #include "content/renderer/browser_plugin/old/guest_to_embedder_channel.h"
+#include "content/renderer/device_motion_dispatcher.h"
 #include "content/renderer/device_orientation_dispatcher.h"
 #include "content/renderer/devtools_agent.h"
 #include "content/renderer/dom_automation_controller.h"
@@ -541,6 +542,7 @@ RenderViewImpl::RenderViewImpl(
       geolocation_dispatcher_(NULL),
       input_tag_speech_dispatcher_(NULL),
       speech_recognition_dispatcher_(NULL),
+      device_motion_dispatcher_(NULL),
       device_orientation_dispatcher_(NULL),
       media_stream_dispatcher_(NULL),
       media_stream_impl_(NULL),
@@ -759,6 +761,12 @@ RenderViewImpl* RenderViewImpl::Create(
       accessibility_mode);
 }
 
+WebKit::WebDeviceMotionDetector* RenderViewImpl::GetDeviceMotionDispatcher() {
+  if (!device_motion_dispatcher_)
+    device_motion_dispatcher_ = new DeviceMotionDispatcher(this);
+  return device_motion_dispatcher_;
+}
+
 WebPeerConnection00Handler* RenderViewImpl::CreatePeerConnectionHandlerJsep(
     WebPeerConnection00HandlerClient* client) {
   EnsureMediaStreamImpl();