Implements part of Device Motion in the Renderer

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 9306901ff16ce363f9bd8a3bcfaf08dd24fb714b..3341b9e255b754b7407a4d387344a0ae1fd91e64 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -44,6 +44,7 @@
 #include "content/browser/browser_main.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
+#include "content/browser/device_orientation/motion_message_filter.h"
 #include "content/browser/device_orientation/orientation_message_filter.h"
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
 #include "content/browser/dom_storage/dom_storage_message_filter.h"
@@ -510,6 +511,7 @@ void RenderProcessHostImpl::CreateMessageFilters() {
       browser_context->GetRequestContext(),
       BrowserContext::GetFileSystemContext(browser_context),
       ChromeBlobStorageContext::GetFor(browser_context)));
+  channel_->AddFilter(new device_orientation::MotionMessageFilter());
   channel_->AddFilter(new device_orientation::OrientationMessageFilter());
   channel_->AddFilter(new FileUtilitiesMessageFilter(GetID()));
   channel_->AddFilter(new MimeRegistryMessageFilter());
@@ -670,6 +672,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kDisableDataTransferItems,
     switches::kDisableDatabases,
     switches::kDisableDesktopNotifications,
+    switches::kDisableDeviceMotion,
     switches::kDisableDeviceOrientation,
     switches::kDisableFileSystem,
     switches::kDisableGeolocation,