[PPAPI] Fix a bunch of spelling mistakes

ppapi/api/ppb_graphics_2d.idl

 /* 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.
  */
 
 /**
  * Defines the <code>PPB_Graphics2D</code> struct representing a 2D graphics
  * context within the browser.
  */
 
@@ skipping 48 matching lines @@
 
   /**
    * Describe() retrieves the configuration for the given graphics context,
    * filling the given values (which must not be <code>NULL</code>).
    *
    * @param[in] resource The 2D Graphics resource.
    * @param[in,out] size The size of the 2D graphics context in the browser.
    * @param[in,out] is_always_opaque Identifies whether only opaque data
    * will be painted.
    *
-   * @return Returns <code>PP_TRUE</code> on succes or <code>PP_FALSE</code> if
+   * @return Returns <code>PP_TRUE</code> on success or <code>PP_FALSE</code> if
    * the resource is invalid. The output parameters will be set to 0 on a
    * <code>PP_FALSE</code>.
    */
   PP_Bool Describe(
       [in] PP_Resource graphics_2d,
       [out] PP_Size size,
       [out] PP_Bool is_always_opqaue);
 
   /**
    * PaintImageData() enqueues a paint of the given image into the context.
@@ skipping 157 matching lines @@
    * being called from the main thread of the module, or
    * <code>PP_ERROR_INPROGRESS</code> if a flush is already pending that has
    * not issued its callback yet.  In the failure case, nothing will be updated
    * and no callback will be scheduled.
    */
   int32_t Flush(
       [in] PP_Resource graphics_2d,
       [in] PP_CompletionCallback callback);
 };