Convert Gamepad IPC messages into mojo interface.

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 2cacf195190d1aa7d57b3cb6d11429424b4aa2d3..21f7dbc57c5acd8d157a0de56e1f5d76edc36999 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -99,7 +99,7 @@
 #include "content/browser/renderer_host/clipboard_message_filter.h"
 #include "content/browser/renderer_host/database_message_filter.h"
 #include "content/browser/renderer_host/file_utilities_message_filter.h"
-#include "content/browser/renderer_host/gamepad_browser_message_filter.h"
+#include "content/browser/renderer_host/gamepad_monitor.h"
 #include "content/browser/renderer_host/media/audio_input_renderer_host.h"
 #include "content/browser/renderer_host/media/audio_renderer_host.h"
 #include "content/browser/renderer_host/media/media_stream_dispatcher_host.h"
@@ -1172,7 +1172,6 @@ void RenderProcessHostImpl::CreateMessageFilters() {
       resource_context, service_worker_context, browser_context);
   AddFilter(notification_message_filter_.get());
 
-  AddFilter(new GamepadBrowserMessageFilter());
   AddFilter(new ProfilerMessageFilter(PROCESS_TYPE_RENDERER));
   AddFilter(new HistogramMessageFilter());
   AddFilter(new MemoryMessageFilter(this));
@@ -1286,6 +1285,8 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
   registry->AddInterface(base::Bind(&DeviceOrientationAbsoluteHost::Create));
 #endif  // defined(OS_ANDROID)
 
+  registry->AddInterface(base::Bind(&GamepadMonitor::Create));
+
   registry->AddInterface(
       base::Bind(&VideoCaptureHost::Create,
                  BrowserMainLoop::GetInstance()->media_stream_manager()));