[PPAPI] Fix a bunch of spelling mistakes

ppapi/cpp/rect.cc

 // Copyright (c) 2012 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.
 
 #include "ppapi/cpp/rect.h"
 
 #include <algorithm>
 
 namespace {
 
@@ skipping 71 matching lines @@
     return *this;
   if (rect.Contains(*this))
     return Rect();
 
   int32_t rx = x();
   int32_t ry = y();
   int32_t rr = right();
   int32_t rb = bottom();
 
   if (rect.y() <= y() && rect.bottom() >= bottom()) {
-    // complete int32_tersection in the y-direction
+    // complete intersection in the y-direction
     if (rect.x() <= x()) {
       rx = rect.right();
     } else {
       rr = rect.x();
     }
   } else if (rect.x() <= x() && rect.right() >= right()) {
-    // complete int32_tersection in the x-direction
+    // complete intersection in the x-direction
     if (rect.y() <= y()) {
       ry = rect.bottom();
     } else {
       rb = rect.y();
     }
   }
   return Rect(rx, ry, rr - rx, rb - ry);
 }
 
 Rect Rect::AdjustToFit(const Rect& rect) const {
@@ skipping 11 matching lines @@
 }
 
 bool Rect::SharesEdgeWith(const Rect& rect) const {
   return (y() == rect.y() && height() == rect.height() &&
              (x() == rect.right() || right() == rect.x())) ||
          (x() == rect.x() && width() == rect.width() &&
              (y() == rect.bottom() || bottom() == rect.y()));
 }
 
 }  // namespace pp