Remove dependency on VectorPlatformDeviceEmf.

chrome/renderer/print_web_view_helper_win.cc

 // Copyright (c) 2011 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 "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
 #include "chrome/common/print_messages.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
 #include "printing/metafile_skia_wrapper.h"
 #include "printing/units.h"
 #include "skia/ext/vector_canvas.h"
-#include "skia/ext/vector_platform_device_emf_win.h"
+#include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "ui/gfx/gdi_util.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 using printing::ConvertUnit;
 using printing::ConvertUnitDouble;
 using printing::kPointsPerInch;
@@ skipping 171 matching lines @@
     *scale_factor /= webkit_scale_factor;
   }
 
   bool result = (*metafile)->FinishPage();
   DCHECK(result);
 
   if (!params.supports_alpha_blend) {
     // PreviewMetafile (PDF) supports alpha blend, so we only hit this case
     // for NativeMetafile.
     DCHECK(!is_preview);
-    skia::VectorPlatformDeviceEmf* platform_device =
-        static_cast<skia::VectorPlatformDeviceEmf*>(device);
-    if (platform_device->alpha_blend_used()) {
+    skia::PlatformDevice* platform_device =skia::GetPlatformDevice(device);

[alokp, 2011/08/04 16:06:54]

nit: space after =

[Jeff Timanus, 2011/08/04 16:30:33]

Done.

+    if (platform_device && platform_device->AlphaBlendUsed()) {
       // Currently, we handle alpha blend transparency for a single page.
       // Therefore, expecting a metafile with page count 1.
       DCHECK_EQ(1U, (*metafile)->GetPageCount());
 
       // Close the device context to retrieve the compiled metafile.
       if (!(*metafile)->FinishDocument())
         NOTREACHED();
 
       // Page used alpha blend, but printer doesn't support it.  Rewrite the
       // metafile and flatten out the transparency.
@@ skipping 60 matching lines @@
     shared_buf.Unmap();
     return false;
   }
   shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle);
   shared_buf.Unmap();
 
   Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle,
                                          shared_mem_handle));
   return true;
 }