Add VEA supported profiles to GPUInfo.

content/public/renderer/video_encode_accelerator.cc

Index: content/public/renderer/video_encode_accelerator.cc
diff --git a/content/public/renderer/video_encode_accelerator.cc b/content/public/renderer/video_encode_accelerator.cc
index f1859c3cc59b421d1c3d0e14bceca3341d056a06..a3573e3fa8e3f8d8e169f51029dba1e21b3cb5f5 100644
--- a/content/public/renderer/video_encode_accelerator.cc
+++ b/content/public/renderer/video_encode_accelerator.cc
@@ -11,6 +11,17 @@
 
 namespace content {
 
+static void GetSupportedVideoEncodeAcceleratorProfilesInternal(
+    scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories,
+    base::WaitableEvent* waiter,
+    std::vector<media::VideoEncodeAccelerator::SupportedProfile>* profiles) {
+  scoped_ptr<media::VideoEncodeAccelerator> video_encoder =
+      gpu_factories->CreateVideoEncodeAccelerator();
+  if (video_encoder)
+    *profiles = video_encoder->GetSupportedProfiles();
+  waiter->Signal();
+}
+
 void CreateVideoEncodeAccelerator(
     const OnCreateVideoEncodeAcceleratorCallback& callback) {
   DCHECK(!callback.is_null());
@@ -35,7 +46,18 @@ void CreateVideoEncodeAccelerator(
 
 std::vector<media::VideoEncodeAccelerator::SupportedProfile>
 GetSupportedVideoEncodeAcceleratorProfiles() {
-  return GpuVideoEncodeAcceleratorHost::GetSupportedProfiles();
+  scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories =
+        RenderThreadImpl::current()->GetGpuFactories();
+  base::WaitableEvent waiter(true, false);
+  std::vector<media::VideoEncodeAccelerator::SupportedProfile> profiles;
+  gpu_factories->GetTaskRunner()->PostTask(
+      FROM_HERE,
+      base::Bind(&GetSupportedVideoEncodeAcceleratorProfilesInternal,
+                 gpu_factories,
+                 &waiter,
+                 &profiles));
+  waiter.Wait();
+  return profiles;

[piman, 2014/09/18 18:11:51]

I think you want to cache this. This function is called in several innocuous
places, which don't expect it to be costly.

[wuchengli, 2014/09/19 14:27:24]

Done.

 }
 
 }  // namespace content