Simplify platform_canvas.h by recognizing that PlatformCanvas does not actually extend

content/test/mock_render_process.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/test/mock_render_process.h"
 
 #include "ui/gfx/rect.h"
 #include "ui/surface/transport_dib.h"
 
 namespace content {
 
 MockRenderProcess::MockRenderProcess()
     : transport_dib_next_sequence_number_(0),
       enabled_bindings_(0) {
 }
 
 MockRenderProcess::~MockRenderProcess() {
 }
 
 skia::PlatformCanvas* MockRenderProcess::GetDrawingCanvas(
     TransportDIB** memory,
     const gfx::Rect& rect) {
-  size_t stride = skia::PlatformCanvas::StrideForWidth(rect.width());
+  size_t stride = skia::PlatformCanvasStrideForWidth(rect.width());
   size_t size = stride * rect.height();
 
   // Unlike RenderProcessImpl, when we're a test, we can just create transport
   // DIBs in the current process, since there is no sandbox protecting us (and
   // no browser process to ask for one in any case).
   *memory = TransportDIB::Create(size, transport_dib_next_sequence_number_++);
   if (!*memory)
     return NULL;
   return (*memory)->GetPlatformCanvas(rect.width(), rect.height());
 }
@@ skipping 16 matching lines @@
 
 TransportDIB* MockRenderProcess::CreateTransportDIB(size_t size) {
   return TransportDIB::Create(size, transport_dib_next_sequence_number_++);
 }
 
 void MockRenderProcess::FreeTransportDIB(TransportDIB* dib) {
   delete dib;
 }
 
 }  // namespace content