gpu video: optimize HW video to SW canvas and implement it for WebRTC.

cc/trees/layer_tree_host_unittest_context.cc

Index: cc/trees/layer_tree_host_unittest_context.cc
diff --git a/cc/trees/layer_tree_host_unittest_context.cc b/cc/trees/layer_tree_host_unittest_context.cc
index 24ffcd46e4e3a933a2089b59773c81211692600f..6978b42bac189c44856a81f306dcff3bdf1e653a 100644
--- a/cc/trees/layer_tree_host_unittest_context.cc
+++ b/cc/trees/layer_tree_host_unittest_context.cc
@@ -1061,24 +1061,16 @@ class LayerTreeHostContextTestDontUseLostResources
 
     color_video_frame_ = VideoFrame::CreateColorFrame(
         gfx::Size(4, 4), 0x80, 0x80, 0x80, base::TimeDelta());
-    hw_video_frame_ =
-        VideoFrame::WrapNativeTexture(make_scoped_ptr(new gpu::MailboxHolder(
-                                          mailbox, GL_TEXTURE_2D, sync_point)),
-                                      media::VideoFrame::ReleaseMailboxCB(),
-                                      gfx::Size(4, 4),
-                                      gfx::Rect(0, 0, 4, 4),
-                                      gfx::Size(4, 4),
-                                      base::TimeDelta(),
-                                      VideoFrame::ReadPixelsCB());
-    scaled_hw_video_frame_ =
-        VideoFrame::WrapNativeTexture(make_scoped_ptr(new gpu::MailboxHolder(
-                                          mailbox, GL_TEXTURE_2D, sync_point)),
-                                      media::VideoFrame::ReleaseMailboxCB(),
-                                      gfx::Size(4, 4),
-                                      gfx::Rect(0, 0, 3, 2),
-                                      gfx::Size(4, 4),
-                                      base::TimeDelta(),
-                                      VideoFrame::ReadPixelsCB());
+    hw_video_frame_ = VideoFrame::WrapNativeTexture(
+        make_scoped_ptr(
+            new gpu::MailboxHolder(mailbox, GL_TEXTURE_2D, sync_point)),
+        media::VideoFrame::ReleaseMailboxCB(), gfx::Size(4, 4),
+        gfx::Rect(0, 0, 4, 4), gfx::Size(4, 4), base::TimeDelta());
+    scaled_hw_video_frame_ = VideoFrame::WrapNativeTexture(
+        make_scoped_ptr(
+            new gpu::MailboxHolder(mailbox, GL_TEXTURE_2D, sync_point)),
+        media::VideoFrame::ReleaseMailboxCB(), gfx::Size(4, 4),
+        gfx::Rect(0, 0, 3, 2), gfx::Size(4, 4), base::TimeDelta());
 
     color_frame_provider_.set_frame(color_video_frame_);
     hw_frame_provider_.set_frame(hw_video_frame_);