Convert GdkPixbufFromSkBitmap and GdkPixbufToSkBitmap

ui/gfx/gtk_util.h

 // 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.
 
 #ifndef UI_GFX_GTK_UTIL_H_
 #define UI_GFX_GTK_UTIL_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 12 matching lines @@
 
 // Call gtk_init() / gdk_init() using the argc and argv from command_line.
 // These init functions want an argc and argv that they can mutate; we provide
 // those, but leave the original CommandLine unaltered.
 UI_EXPORT void GtkInitFromCommandLine(const CommandLine& command_line);
 UI_EXPORT void GdkInitFromCommandLine(const CommandLine& command_line);
 
 // Convert and copy a SkBitmap to a GdkPixbuf. NOTE: this uses BGRAToRGBA, so
 // it is an expensive operation.  The returned GdkPixbuf will have a refcount of
 // 1, and the caller is responsible for unrefing it when done.
-UI_EXPORT GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap* bitmap);
+UI_EXPORT GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap& bitmap);
 
 // Modify the given region by subtracting the given rectangles.
 UI_EXPORT void SubtractRectanglesFromRegion(GdkRegion* region,
                                             const std::vector<Rect>& cutouts);
 
 // Returns a static instance of a GdkCursor* object, sharable across the
 // process. Caller must gdk_cursor_ref() it if they want to assume ownership.
 UI_EXPORT GdkCursor* GetCursor(int type);
 
 // Initialize some GTK settings so that our dialogs are consistent.
 UI_EXPORT void InitRCStyles();
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GTK_UTIL_H_