Implement the content/renderer and content/browser part of the Device Motion API.

content/renderer/renderer_webkitplatformsupport_impl.cc

 // 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.
 
 #include "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/child/database_util.h"
 #include "content/child/fileapi/webfilesystem_impl.h"
 #include "content/child/indexed_db/proxy_webidbfactory_impl.h"
 #include "content/child/npobject_util.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/webblobregistry_impl.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/file_utilities_messages.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/mime_registry_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/content_renderer_client.h"
+#include "content/renderer/device_orientation/device_motion_event_pump.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/hyphenator/hyphenator.h"
 #include "content/renderer/media/media_stream_dependency_factory.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
 #include "content/renderer/websharedworkerrepository_impl.h"
 #include "googleurl/src/gurl.h"
 #include "gpu/config/gpu_info.h"
@@ skipping 857 matching lines @@
       shared_offscreen_context_);
 }
 
 //------------------------------------------------------------------------------
 
 WebKit::WebCompositorSupport*
 RendererWebKitPlatformSupportImpl::compositorSupport() {
   return &compositor_support_;
 }
 
+//------------------------------------------------------------------------------
+
+void RendererWebKitPlatformSupportImpl::setDeviceMotionListener(
+    WebKit::WebDeviceMotionListener* listener) {
+  if (!device_motion_event_pump_) {
+    device_motion_event_pump_.reset(new DeviceMotionEventPump);
+    device_motion_event_pump_->Attach(RenderThreadImpl::current());
+  }
+  device_motion_event_pump_->SetListener(listener);
+}
+
 }  // namespace content