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

ppapi/cpp/size.h

Index: ppapi/cpp/size.h
===================================================================
--- ppapi/cpp/size.h	(revision 96394)
+++ ppapi/cpp/size.h	(working copy)
@@ -110,7 +110,7 @@
 
   /// GetArea() determines the area (width * height).
   ///
-  /// @return The area
+  /// @return The area.
   int GetArea() const {
     return width() * height();
   }
@@ -154,7 +154,7 @@
 /// @param[in] rhs The <code>Size</code> on the right-hand side of the
 /// equation.
 ///
-/// @return true if they are equal, false if unequal.
+/// @return True if they are equal, false if unequal.
 inline bool operator==(const pp::Size& lhs, const pp::Size& rhs) {
   return lhs.width() == rhs.width() && lhs.height() == rhs.height();
 }
@@ -164,7 +164,7 @@
 /// @param[in] lhs The <code>Size</code> on the left-hand side of the equation.
 /// @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
+/// @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);