Eliminate a circular dependency by making BGRAToRGBA() generic...

base/gfx/gtk_util.h

 // Copyright (c) 2009 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 BASE_GFX_GTK_UTIL_H_
 #define BASE_GFX_GTK_UTIL_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 10 matching lines @@
 class Rect;
 
 extern const GdkColor kGdkWhite;
 extern const GdkColor kGdkBlack;
 extern const GdkColor kGdkGreen;
 
 // Modify the given region by subtracting the given rectangles.
 void SubtractRectanglesFromRegion(GdkRegion* region,
                                   const std::vector<Rect>& cutouts);
 
-// Makes a copy of |pixels| with the ordering changed from BGRA to RGBA.
-// The caller is responsible for free()ing the data. If |stride| is 0,
-// it's assumed to be 4 * |width|.
-uint8_t* BGRAToRGBA(const uint8_t* pixels, int width, int height, int stride);
-
 }  // namespace gfx
 
 #endif  // BASE_GFX_GTK_UTIL_H_