gpu: Optimize and cleanup code used for CHROMIUM_copy_texture.

content/common/gpu/media/android_video_decode_accelerator.cc

Index: content/common/gpu/media/android_video_decode_accelerator.cc
diff --git a/content/common/gpu/media/android_video_decode_accelerator.cc b/content/common/gpu/media/android_video_decode_accelerator.cc
index f72e1b257d77c8bc9f5c243ab2f1e34d5faad042..8ce076f2f7599fb0f1c13d694e6caa34d50ab4cc 100644
--- a/content/common/gpu/media/android_video_decode_accelerator.cc
+++ b/content/common/gpu/media/android_video_decode_accelerator.cc
@@ -357,10 +357,17 @@ void AndroidVideoDecodeAccelerator::SendCurrentSurfaceToClient(
   //    attached.
   // 2. SurfaceTexture requires us to apply a transform matrix when we show
   //    the texture.
-  copier_->DoCopyTexture(gl_decoder_.get(), GL_TEXTURE_EXTERNAL_OES,
-                         GL_TEXTURE_2D, surface_texture_id_,
-                         picture_buffer_texture_id, 0, size_.width(),
-                         size_.height(), false, false, false);
+  copier_->DoCopyTexture(gl_decoder_.get(),
+                         GL_TEXTURE_EXTERNAL_OES,
+                         surface_texture_id_,
+                         picture_buffer_texture_id,
+                         0,
+                         GL_RGBA,
+                         size_.width(),
+                         size_.height(),
+                         false,
+                         false,
+                         false);
 
   base::MessageLoop::current()->PostTask(
       FROM_HERE,