Chromium-side implementation of DeviceMotion.

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 69ba4f5f49207ca8aa6f6d463de133cc544911f9..c94f6eca766c6d260c361f79379681cae9e90662 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -45,6 +45,7 @@
 #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"
@@ -572,6 +573,7 @@ void RenderProcessHostImpl::CreateMessageFilters() {
       browser_context->GetRequestContext(),
       BrowserContext::GetFileSystemContext(browser_context),
       ChromeBlobStorageContext::GetFor(browser_context)));
+  channel_->AddFilter(new MotionMessageFilter());
   channel_->AddFilter(new OrientationMessageFilter());
   channel_->AddFilter(new FileUtilitiesMessageFilter(GetID()));
   channel_->AddFilter(new MimeRegistryMessageFilter());
@@ -760,6 +762,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kEnableAccessibilityLogging,
     switches::kEnableCssExclusions,
     switches::kEnableDCHECK,
+    switches::kEnableDeviceMotion,
     switches::kEnableEncryptedMedia,
     switches::kEnableFixedLayout,
     switches::kEnableGPUServiceLogging,