[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 665 matching lines @@
 
 GLHelper::~GLHelper() {}
 
 void GLHelper::CropScaleReadbackAndCleanTexture(
     GLuint src_texture,
     const gfx::Size& src_size,
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,
     unsigned char* out,
     const SkBitmap::Config config,
-    const base::Callback<void(bool)>& callback) {
+    const base::Callback<void(bool)>& callback,
+    GLHelper::ScalerQuality quality) {
   InitCopyTextToImpl();
   copy_texture_to_impl_->CropScaleReadbackAndCleanTexture(
       src_texture,
       src_size,
       src_subrect,
       dst_size,
       out,
       config,
       callback,
-      GLHelper::SCALER_QUALITY_FAST);
+      quality);
 }
 
 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,
-    const base::Callback<void(bool)>& callback) {
+    const base::Callback<void(bool)>& callback,
+    GLHelper::ScalerQuality quality) {
   GLuint mailbox_texture = ConsumeMailboxToTexture(src_mailbox, sync_point);
   CropScaleReadbackAndCleanTexture(
       mailbox_texture, src_size, src_subrect, dst_size, out,
       bitmap_config,
-      callback);
+      callback,
+      quality);
   gl_->DeleteTextures(1, &mailbox_texture);
 }
 
 void GLHelper::ReadbackTextureSync(GLuint texture,
                                    const gfx::Rect& src_rect,
                                    unsigned char* out,
                                    SkBitmap::Config format) {
   InitCopyTextToImpl();
   copy_texture_to_impl_->ReadbackTextureSync(texture, src_rect, out, format);
 }
@@ skipping 527 matching lines @@
   return copy_texture_to_impl_->CreateReadbackPipelineYUV(quality,
                                                           src_size,
                                                           src_subrect,
                                                           dst_size,
                                                           dst_subrect,
                                                           flip_vertically,
                                                           use_mrt);
 }
 
 }  // namespace content