[PPAPI] Fix a bunch of spelling mistakes

ppapi/cpp/rect.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_RECT_H_
 #define PPAPI_CPP_RECT_H_
 
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/cpp/point.h"
 #include "ppapi/cpp/size.h"
@@ skipping 264 matching lines @@
   /// @param[in] top An int32_t value representing a top
   /// shrinking distance.
   /// @param[in] right An int32_t value representing a right
   /// shrinking distance.
   /// @param[in] bottom An int32_t value representing a bottom
   /// shrinking distance.
   void Inset(int32_t left, int32_t top, int32_t right, int32_t bottom);
 
   /// Offset() moves the rectangle by a horizontal and vertical distance.
   ///
-  /// @param[in] horizontal An int32_t value representing a horzontal
+  /// @param[in] horizontal An int32_t value representing a horizontal
   /// move distance.
   /// @param[in] vertical An int32_t value representing a vertical
   /// move distance.
   void Offset(int32_t horizontal, int32_t vertical);
 
   /// Offset() moves the rectangle by a horizontal and vertical distance.
   ///
   /// @param[in] point A pointer to a <code>Point</code> representing the
   /// horizontal and vertical move distances.
   void Offset(const Point& point) {
@@ skipping 28 matching lines @@
     return Contains(point.x(), point.y());
   }
 
   /// Contains() determines if this rectangle contains the specified rectangle.
   ///
   /// @param[in] rect A pointer to a <code>Rect</code>.
   ///
   /// @return true if the rectangle fall inside this rectangle.
   bool Contains(const Rect& rect) const;
 
-  /// Insersects() determines if this rectangle intersects the specified
+  /// Intersects() determines if this rectangle intersects the specified
   /// rectangle.
   ///
   /// @param[in] rect A pointer to a <code>Rect</code>.
   ///
   /// @return true if the rectangle intersects  this rectangle.
   bool Intersects(const Rect& rect) const;
 
   /// Intersect() computes the intersection of this rectangle with the given
   /// rectangle.
   ///
@@ skipping 73 matching lines @@
 /// @param[in] rhs The <code>Rect</code> on the right-hand side of the
 /// equation.
 ///
 /// @return true if the given Rects are equal, otherwise false.
 inline bool operator!=(const pp::Rect& lhs, const pp::Rect& rhs) {
   return !(lhs == rhs);
 }
 
 #endif