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

skia/ext/platform_canvas_linux.cc

Index: skia/ext/platform_canvas_linux.cc
===================================================================
--- skia/ext/platform_canvas_linux.cc	(revision 80484)
+++ skia/ext/platform_canvas_linux.cc	(working copy)
@@ -34,11 +34,11 @@
 }
 
 cairo_t* PlatformCanvas::beginPlatformPaint() const {
-  return getTopPlatformDevice().beginPlatformPaint();
+  return getTopPlatformDevice().BeginPlatformPaint();
 }
 
 void PlatformCanvas::endPlatformPaint() const {
-  // We don't need to do anything on Linux here.
+  getTopPlatformDevice().endPlatformPaint();
 }
 
 }  // namespace skia