Fixed a few styles issues in skia::PlatformDevice. Made function names consistent. Added Begin/En...

skia/ext/platform_device_linux.h

 // 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.
 
 #ifndef SKIA_EXT_PLATFORM_DEVICE_LINUX_H_
 #define SKIA_EXT_PLATFORM_DEVICE_LINUX_H_
 #pragma once
 
 #include "third_party/skia/include/core/SkDevice.h"
 
 typedef struct _cairo cairo_t;
 
 namespace skia {
 
 // Blindly copying the mac hierarchy.
 class PlatformDevice : public SkDevice {
  public:
   typedef cairo_t* PlatformSurface;
 
   // Returns if the preferred rendering engine is vectorial or bitmap based.
   virtual bool IsVectorial() = 0;
 
   // Returns if native platform APIs are allowed to render text to this device.
   virtual bool IsNativeFontRenderingAllowed();
 
-  virtual PlatformSurface beginPlatformPaint() = 0;
+  virtual PlatformSurface BeginPlatformPaint() = 0;
+  virtual void EndPlatformPaint();
 
  protected:
   // Forwards |bitmap| to SkDevice's constructor.
   explicit PlatformDevice(const SkBitmap& bitmap);
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_PLATFORM_DEVICE_LINUX_H_