ArcBridge: Add VideoEncodeAccelerator implementation.

chrome/gpu/chrome_content_gpu_client.h

Index: chrome/gpu/chrome_content_gpu_client.h
diff --git a/chrome/gpu/chrome_content_gpu_client.h b/chrome/gpu/chrome_content_gpu_client.h
index f0c50750da29b0a391e005d73ff3977fc1fa5d49..1c500095bb147e91051c03153989a252199d69cf 100644
--- a/chrome/gpu/chrome_content_gpu_client.h
+++ b/chrome/gpu/chrome_content_gpu_client.h
@@ -14,6 +14,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "chrome/gpu/gpu_arc_video_service.h"
+#include "components/arc/common/video_encode_accelerator.mojom.h"
 
 namespace service_manager {
 struct BindSourceInfo;
@@ -37,6 +38,10 @@ class ChromeContentGpuClient : public content::ContentGpuClient {
   void CreateArcVideoAcceleratorService(
       const service_manager::BindSourceInfo& source_info,
       ::arc::mojom::VideoAcceleratorServiceRequest request);
+
+  void CreateGpuArcVideoEncodeAccelerator(
+      const service_manager::BindSourceInfo& source_info,
+      ::arc::mojom::VideoEncodeAcceleratorRequest request);
 #endif
 
   std::unique_ptr<variations::ChildProcessFieldTrialSyncer> field_trial_syncer_;