Refactor the PlatformContext layer to have only one class.

chrome/renderer/print_web_view_helper.cc

 // 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.
 
 #include "chrome/renderer/print_web_view_helper.h"
 
 #include "app/l10n_util.h"
 #include "base/logging.h"
 #include "base/gfx/size.h"
 #include "chrome/common/render_messages.h"
@@ skipping 186 matching lines @@
                                 const gfx::Size& canvas_size,
                                 WebFrame* frame) {
 #if defined(OS_WIN)
   // Generate a memory-based EMF file. The EMF will use the current screen's
   // DPI.
   gfx::Emf emf;
 
   emf.CreateDc(NULL, NULL);
   HDC hdc = emf.hdc();
   DCHECK(hdc);
-  skia::PlatformDeviceWin::InitializeDC(hdc);
+  skia::PlatformDevice::InitializeDC(hdc);
   // Since WebKit extends the page width depending on the magical shrink
   // factor we make sure the canvas covers the worst case scenario
   // (x2.0 currently).  PrintContext will then set the correct clipping region.
   int size_x = static_cast<int>(canvas_size.width() * params.params.max_shrink);
   int size_y = static_cast<int>(canvas_size.height() *
       params.params.max_shrink);
   // Calculate the dpi adjustment.
   float shrink = static_cast<float>(canvas_size.width()) /
       params.params.printable_size.width();
 #if 0
   // TODO(maruel): This code is kept for testing until the 100% GDI drawing
   // code is stable. maruels use this code's output as a reference when the
   // GDI drawing code fails.
 
   // Mix of Skia and GDI based.
-  skia::PlatformCanvasWin canvas(size_x, size_y, true);
+  skia::PlatformCanvas canvas(size_x, size_y, true);
   canvas.drawARGB(255, 255, 255, 255, SkPorterDuff::kSrc_Mode);
   float webkit_shrink = frame->PrintPage(params.page_number, &canvas);
   if (shrink <= 0) {
     NOTREACHED() << "Printing page " << params.page_number << " failed.";
   } else {
     // Update the dpi adjustment with the "page shrink" calculated in webkit.
     shrink /= webkit_shrink;
   }
 
   // Create a BMP v4 header that we can serialize.
@@ skipping 98 matching lines @@
 
 gfx::NativeViewId PrintWebViewHelper::GetContainingView(WebWidget* webwidget) {
   NOTREACHED();
   return gfx::NativeViewId();
 }
 
 bool PrintWebViewHelper::IsHidden(WebWidget* webwidget) {
   NOTREACHED();
   return true;
 }