Implement Device Orientation using shared memory in content/renderer.

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.cc b/content/renderer/renderer_webkitplatformsupport_impl.cc
index 09ceac16ce4770b9a7755f6dac0aa175e8dfa932..796cb34a0340e19796b50455b2f0b881ebf42e40 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.cc
+++ b/content/renderer/renderer_webkitplatformsupport_impl.cc
@@ -32,6 +32,7 @@
 #include "content/public/common/webplugininfo.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/device_orientation/device_motion_event_pump.h"
+#include "content/renderer/device_orientation/device_orientation_event_pump.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/media/audio_decoder.h"
@@ -54,6 +55,7 @@
 #include "net/base/net_util.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 #include "third_party/WebKit/public/platform/WebDeviceMotionListener.h"
+#include "third_party/WebKit/public/platform/WebDeviceOrientationListener.h"
 #include "third_party/WebKit/public/platform/WebFileInfo.h"
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
@@ -1043,6 +1045,17 @@ void RendererWebKitPlatformSupportImpl::SetMockDeviceMotionDataForTesting(
 
 //------------------------------------------------------------------------------
 
+void RendererWebKitPlatformSupportImpl::setDeviceOrientationListener(
+    WebKit::WebDeviceOrientationListener* listener) {
+  if (!device_orientation_event_pump_) {
+    device_orientation_event_pump_.reset(new DeviceOrientationEventPump);
+    device_orientation_event_pump_->Attach(RenderThreadImpl::current());
+  }
+  device_orientation_event_pump_->SetListener(listener);
+}
+
+//------------------------------------------------------------------------------
+
 WebKit::WebCrypto* RendererWebKitPlatformSupportImpl::crypto() {
   // Use a mock implementation for testing in-progress work.
   WebKit::WebCrypto* crypto =