cc: TextureUploader - Reset GL_UNPACK_ALIGNMENT to 4 before uploading images.

cc/test/test_web_graphics_context_3d.h

 // Copyright 2013 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 CC_TEST_TEST_WEB_GRAPHICS_CONTEXT_3D_H_
 #define CC_TEST_TEST_WEB_GRAPHICS_CONTEXT_3D_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 230 matching lines @@
   virtual void getUniformfv(GLuint program, GLint location, GLfloat* value) {}
   virtual void getUniformiv(GLuint program, GLint location, GLint* value) {}
   virtual void getVertexAttribfv(GLuint index, GLenum pname, GLfloat* value) {}
   virtual void getVertexAttribiv(GLuint index, GLenum pname, GLint* value) {}
 
   virtual void bindBuffer(GLenum target, GLuint buffer);
   virtual void bufferData(GLenum target,
                           GLsizeiptr size,
                           const void* data,
                           GLenum usage);
+  virtual void pixelStorei(GLenum pname, GLint param);
   virtual void* mapBufferCHROMIUM(GLenum target,
                                   GLenum access);
   virtual GLboolean unmapBufferCHROMIUM(GLenum target);
 
   virtual GLuint createImageCHROMIUM(ClientBuffer buffer,
                                      GLsizei width,
                                      GLsizei height,
                                      GLenum internalformat);
   virtual void destroyImageCHROMIUM(GLuint image_id);
   virtual GLuint createGpuMemoryBufferImageCHROMIUM(GLsizei width,
@@ skipping 195 matching lines @@
   int max_texture_size_;
   bool reshape_called_;
   int width_;
   int height_;
   float scale_factor_;
   TestContextSupport* test_support_;
   gfx::Rect update_rect_;
   UpdateType last_update_type_;
   unsigned next_insert_sync_point_;
   unsigned last_waited_sync_point_;
+  int unpack_alignment_;
 
   unsigned bound_buffer_;
   TextureTargets texture_targets_;
 
   scoped_refptr<Namespace> namespace_;
   static Namespace* shared_namespace_;
 
   base::WeakPtrFactory<TestWebGraphicsContext3D> weak_ptr_factory_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_WEB_GRAPHICS_CONTEXT_3D_H_