Remove duplicate typedef

content/renderer/pepper/pepper_plugin_instance_impl.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/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bit_cast.h"
@@ skipping 2986 matching lines @@
                         image_skia_rep.pixel_width(),
                         image_skia_rep.pixel_height(),
                         false)) {
     return 0;
   }
 
   ImageDataAutoMapper mapper(image_data.get());
   if (!mapper.is_valid())
     return 0;
 
-  skia::PlatformCanvas* canvas = image_data->GetPlatformCanvas();
+  SkCanvas* canvas = image_data->GetPlatformCanvas();
   // Note: Do not SkBitmap::copyTo the canvas bitmap directly because it will
   // ignore the allocated pixels in shared memory and re-allocate a new buffer.
   canvas->writePixels(image_skia_rep.sk_bitmap(), 0, 0);
 
   return image_data->GetReference();
 }
 
 PP_ExternalPluginResult PepperPluginInstanceImpl::SwitchToOutOfProcessProxy(
     const base::FilePath& file_path,
     ppapi::PpapiPermissions permissions,
@@ skipping 313 matching lines @@
 }
 
 void PepperPluginInstanceImpl::ConvertDIPToViewport(gfx::Rect* rect) const {
   rect->set_x(rect->x() / viewport_to_dip_scale_);
   rect->set_y(rect->y() / viewport_to_dip_scale_);
   rect->set_width(rect->width() / viewport_to_dip_scale_);
   rect->set_height(rect->height() / viewport_to_dip_scale_);
 }
 
 }  // namespace content