Revert of Always apply UniformMatrix4fvStreamTextureMatrixCHROMIUM matrix argument.

cc/layers/video_frame_provider_client_impl.cc

Index: cc/layers/video_frame_provider_client_impl.cc
diff --git a/cc/layers/video_frame_provider_client_impl.cc b/cc/layers/video_frame_provider_client_impl.cc
index 751d32f83b29ee471b68dc2ba897464837f79fb0..6f9cb8f00c46c960dc0852d78da90fcb26b6194f 100644
--- a/cc/layers/video_frame_provider_client_impl.cc
+++ b/cc/layers/video_frame_provider_client_impl.cc
@@ -35,6 +35,14 @@
     // the call to Stop().
     provider_->SetVideoFrameProviderClient(this);
   }
+
+  // This matrix is the default transformation for stream textures, and flips
+  // on the Y axis.
+  stream_texture_matrix_ = gfx::Transform(
+      1.0, 0.0, 0.0, 0.0,
+      0.0, -1.0, 0.0, 1.0,
+      0.0, 0.0, 1.0, 0.0,
+      0.0, 0.0, 0.0, 1.0);
 }
 
 VideoFrameProviderClientImpl::~VideoFrameProviderClientImpl() {
@@ -98,6 +106,12 @@
 bool VideoFrameProviderClientImpl::HasCurrentFrame() {
   base::AutoLock locker(provider_lock_);
   return provider_ && provider_->HasCurrentFrame();
+}
+
+const gfx::Transform& VideoFrameProviderClientImpl::StreamTextureMatrix()
+    const {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  return stream_texture_matrix_;
 }
 
 void VideoFrameProviderClientImpl::StopUsingProvider() {