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

ppapi/cpp/size.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_SIZE_H_
 #define PPAPI_CPP_SIZE_H_
 
 #include "ppapi/c/pp_size.h"
 #include "ppapi/cpp/logging.h"
 
@@ skipping 92 matching lines @@
   void set_height(int h) {
     if (h < 0) {
       PP_DCHECK(h >= 0);
       h = 0;
     }
     size_.height = h;
   }
 
   /// GetArea() determines the area (width * height).
   ///
-  /// @return The area
+  /// @return The area.
   int GetArea() const {
     return width() * height();
   }
 
   /// SetSize() sets the value of width and height.
   ///
   /// @param[in] w A new width value.
   /// @param[in] h A new height value.
   void SetSize(int w, int h) {
     set_width(w);
@@ skipping 41 matching lines @@
 /// @param[in] rhs The <code>Size</code> on the right-hand side of the equation.
 ///
 /// @return true if the <code>Size</code> of lhs are equal to the
 /// <code>Size</code> of rhs, otherwise false.
 inline bool operator!=(const pp::Size& lhs, const pp::Size& rhs) {
   return !(lhs == rhs);
 }
 
 #endif  // PPAPI_CPP_SIZE_H_