gpu: Use mojom API for getting video memory usage.

content/browser/gpu/gpu_process_host_ui_shim.cc

Index: content/browser/gpu/gpu_process_host_ui_shim.cc
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.cc b/content/browser/gpu/gpu_process_host_ui_shim.cc
index aacf72b28ddc8b5accd5e517b514991ea69ae583..f8fe86b4ef0f462ac5fef0ce32244cabd1faf000 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.cc
+++ b/content/browser/gpu/gpu_process_host_ui_shim.cc
@@ -187,8 +187,6 @@ bool GpuProcessHostUIShim::OnControlMessageReceived(
     IPC_MESSAGE_HANDLER(GpuHostMsg_OnLogMessage, OnLogMessage)
     IPC_MESSAGE_HANDLER(GpuHostMsg_GraphicsInfoCollected,
                         OnGraphicsInfoCollected)
-    IPC_MESSAGE_HANDLER(GpuHostMsg_VideoMemoryUsageStats,
-                        OnVideoMemoryUsageStatsReceived);
 
     IPC_MESSAGE_UNHANDLED_ERROR()
   IPC_END_MESSAGE_MAP()
@@ -213,10 +211,4 @@ void GpuProcessHostUIShim::OnGraphicsInfoCollected(
   GpuDataManagerImpl::GetInstance()->UpdateGpuInfo(gpu_info);
 }
 
-void GpuProcessHostUIShim::OnVideoMemoryUsageStatsReceived(
-    const gpu::VideoMemoryUsageStats& video_memory_usage_stats) {
-  GpuDataManagerImpl::GetInstance()->UpdateVideoMemoryUsageStats(
-      video_memory_usage_stats);
-}
-
 }  // namespace content