[Android WebView] Fix DevTools Screencast slowness

content/common/gpu/client/gl_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/client/gl_helper.h"
 
 #include <queue>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 675 matching lines @@
     const base::Callback<void(bool)>& callback) {
   InitCopyTextToImpl();
   copy_texture_to_impl_->CropScaleReadbackAndCleanTexture(
       src_texture,
       src_size,
       src_subrect,
       dst_size,
       out,
       config,
       callback,
-      GLHelper::SCALER_QUALITY_FAST);
+      GLHelper::SCALER_QUALITY_GOOD);

[pfeldman, 2014/05/21 14:09:17]

Wouldn't this affect screencast performance though?

[no sievers, 2014/05/21 16:34:25]

Maybe just add this as an argument so you don't risk regressing the perf of
something else?

 }
 
 void GLHelper::CropScaleReadbackAndCleanMailbox(
     const gpu::Mailbox& src_mailbox,
     uint32 sync_point,
     const gfx::Size& src_size,
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,
     unsigned char* out,
     const SkBitmap::Config bitmap_config,
@@ skipping 543 matching lines @@
   return copy_texture_to_impl_->CreateReadbackPipelineYUV(quality,
                                                           src_size,
                                                           src_subrect,
                                                           dst_size,
                                                           dst_subrect,
                                                           flip_vertically,
                                                           use_mrt);
 }
 
 }  // namespace content