Small changes such as spacing and adding [in/out] identifiers after @params.

ppapi/cpp/graphics_2d.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 PPAPI_CPP_GRAPHICS_2D_H_
 #define PPAPI_CPP_GRAPHICS_2D_H_
 
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/cpp/resource.h"
 #include "ppapi/cpp/size.h"
@@ skipping 45 matching lines @@
   /// It is possible that the destructor does not toally destroy the underlying
   /// 2D context if there are outstanding references to it.
   virtual ~Graphics2D();
 
   /// This function assigns one 2D graphics context to this 2D graphics
   /// context. This function increases the reference count of the 2D resource
   /// of the other 2D graphics context while decrementing the reference counter
   /// of this 2D graphics context.
   ///
   /// @param[in] other An other 2D graphics context.
+  ///
   /// @return A new Graphics2D context.
   Graphics2D& operator=(const Graphics2D& other);
 
   /// Getter function for returning size of the 2D graphics context.
   ///
   /// @return The size of the 2D graphics context measured in device pixels.
   const Size& size() const { return size_; }
 
   /// PaintImageData() enqueues a paint command of the given image into
   /// the context. This command has no effect until you call Flush(). As a
@@ skipping 178 matching lines @@
   // for it.
   int32_t Flush(const CompletionCallback& cc);
 
  private:
   Size size_;
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_GRAPHICS_2D_H_