[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/examples/fullscreen_tumbler/cube.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 <algorithm>
 #include <GLES2/gl2.h>
 
 #include "ppapi/gles2/gl2ext_ppapi.h"
 
@@ skipping 213 matching lines @@
   glBindBuffer(GL_ARRAY_BUFFER, 0);
   glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, cube_vbos_[2]);
   glBufferData(GL_ELEMENT_ARRAY_BUFFER,
                kIndexCount * sizeof(GL_UNSIGNED_SHORT),
                cube_indices,
                GL_STATIC_DRAW);
   glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 }
 
 void Cube::ComputeModelViewTransform(GLfloat* model_view) {
-  // This method takes into account the possiblity that |orientation_|
+  // This method takes into account the possibility that |orientation_|
   // might not be normalized.
   double sqrx = orientation_[0] * orientation_[0];
   double sqry = orientation_[1] * orientation_[1];
   double sqrz = orientation_[2] * orientation_[2];
   double sqrw = orientation_[3] * orientation_[3];
   double sqrLength = 1.0 / (sqrx + sqry + sqrz + sqrw);
 
   transform_4x4::LoadIdentity(model_view);
   model_view[0] = (sqrx - sqry - sqrz + sqrw) * sqrLength;
   model_view[5] = (-sqrx + sqry - sqrz + sqrw) * sqrLength;
@@ skipping 18 matching lines @@
 
   // Concatenate the translation to the eye point.
   model_view[12] = -eye_[0];
   model_view[13] = -eye_[1];
   model_view[14] = -eye_[2];
   model_view[15] = 1.0;
 }
 
 }  // namespace tumbler