[DeviceService] Mojofy left screen orientation IPC messages.

content/browser/screen_orientation/screen_orientation_message_filter_android.h

Index: content/browser/screen_orientation/screen_orientation_message_filter_android.h
diff --git a/content/browser/screen_orientation/screen_orientation_message_filter_android.h b/content/browser/screen_orientation/screen_orientation_message_filter_android.h
index be506f3cb0c49b36f57c66211a8da93d9299dac1..5d6266d9f2ae6800259b6da4891ba1bea5e29f5e 100644
--- a/content/browser/screen_orientation/screen_orientation_message_filter_android.h
+++ b/content/browser/screen_orientation/screen_orientation_message_filter_android.h
@@ -6,11 +6,17 @@
 #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_MESSAGE_FILTER_ANDROID_H_
 
 #include "base/macros.h"
+#include "content/public/browser/browser_associated_interface.h"
 #include "content/public/browser/browser_message_filter.h"
+#include "device/screen_orientation/public/interfaces/screen_orientation.mojom.h"
 
 namespace content {
 
-class ScreenOrientationMessageFilterAndroid : public BrowserMessageFilter {
+class ScreenOrientationMessageFilterAndroid

[blundell, 2016/12/20 13:39:18]

Let's rename this to ScreenOrientationListenerAndroid. The fact that it's a
BrowserMessageFilter is basically an implementation detail at this point.

[leonhsl(Using Gerrit), 2016/12/21 02:48:36]

Done.

+    : public BrowserMessageFilter,
+      public BrowserAssociatedInterface<
+          device::mojom::ScreenOrientationAccurate>,
+      public NON_EXPORTED_BASE(device::mojom::ScreenOrientationAccurate) {
  public:
   ScreenOrientationMessageFilterAndroid();
 
@@ -20,8 +26,9 @@ class ScreenOrientationMessageFilterAndroid : public BrowserMessageFilter {
  private:
   ~ScreenOrientationMessageFilterAndroid() override;
 
-  void OnStartListening();
-  void OnStopListening();
+  // device::mojom::ScreenOrientationAccurate:
+  void StartListening() override;
+  void StopListening() override;
 
   int listeners_count_;