Update from https://crrev.com/304121

cc/output/gl_renderer.h

 // Copyright 2010 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.
 
 #ifndef CC_OUTPUT_GL_RENDERER_H_
 #define CC_OUTPUT_GL_RENDERER_H_
 
 #include "base/cancelable_callback.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_deque.h"
@@ skipping 149 matching lines @@
       const gfx::Transform& contents_device_transform,
       bool use_aa);
   scoped_ptr<ScopedResource> GetBackdropTexture(const gfx::Rect& bounding_rect);
 
   static bool ShouldApplyBackgroundFilters(DrawingFrame* frame,
                                            const RenderPassDrawQuad* quad);
   skia::RefPtr<SkImage> ApplyBackgroundFilters(
       DrawingFrame* frame,
       const RenderPassDrawQuad* quad,
       ScopedResource* background_texture);
-  scoped_ptr<ScopedResource> ApplyInverseTransformForBackgroundFilters(
-      DrawingFrame* frame,
-      const RenderPassDrawQuad* quad,
-      const gfx::Transform& contents_device_transform,
-      skia::RefPtr<SkImage> backdrop_bitmap,
-      const gfx::Rect& backdrop_bounding_rect);
 
   void DrawRenderPassQuad(DrawingFrame* frame, const RenderPassDrawQuad* quad);
   void DrawSolidColorQuad(const DrawingFrame* frame,
                           const SolidColorDrawQuad* quad);
   void DrawStreamVideoQuad(const DrawingFrame* frame,
                            const StreamVideoDrawQuad* quad);
   void EnqueueTextureQuad(const DrawingFrame* frame,
                           const TextureDrawQuad* quad);
   void FlushTextureQuadCache();
   void DrawIOSurfaceQuad(const DrawingFrame* frame,
@@ skipping 15 matching lines @@
                        const PictureDrawQuad* quad);
 
   void SetShaderOpacity(float opacity, int alpha_location);
   void SetShaderQuadF(const gfx::QuadF& quad, int quad_location);
   void DrawQuadGeometry(const DrawingFrame* frame,
                         const gfx::Transform& draw_transform,
                         const gfx::RectF& quad_rect,
                         int matrix_location);
   void SetUseProgram(unsigned program);
 
-  void CopyTextureToFramebuffer(const DrawingFrame* frame,
-                                int texture_id,
-                                const gfx::Rect& rect,
-                                const gfx::Transform& draw_matrix,
-                                bool flip_vertically);
-
   bool UseScopedTexture(DrawingFrame* frame,
                         const ScopedResource* resource,
                         const gfx::Rect& viewport_rect);
 
   bool MakeContextCurrent();
 
   void InitializeSharedObjects();
   void CleanupSharedObjects();
 
   typedef base::Callback<void(scoped_ptr<CopyOutputRequest> copy_request,
@@ skipping 253 matching lines @@
 #if DEBUG_GL_CALLS && !defined(NDEBUG)
 #define GLC(context, x)                                                        \
   (x, GLRenderer::DebugGLCall(&* context, #x, __FILE__, __LINE__))
 #else
 #define GLC(context, x) (x)
 #endif
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_