Change CHROMIUM_image declarations to support multi planar input.

gpu/command_buffer/client/gles2_implementation.h

Index: gpu/command_buffer/client/gles2_implementation.h
diff --git a/gpu/command_buffer/client/gles2_implementation.h b/gpu/command_buffer/client/gles2_implementation.h
index 1ffdf9100e8928204e1091bddab47163b9347c7e..48c01e3d61b84e26ce706ed0bb9dbe8b75af9901 100644
--- a/gpu/command_buffer/client/gles2_implementation.h
+++ b/gpu/command_buffer/client/gles2_implementation.h
@@ -525,7 +525,7 @@ class GLES2_IMPL_EXPORT GLES2Implementation
       GLenum target, GLintptr offset, GLsizeiptr size, const void* data,
       ScopedTransferBufferPtr* buffer);
 
-  GLuint CreateImageCHROMIUMHelper(ClientBuffer buffer,
+  GLuint CreateImageCHROMIUMHelper(ClientBuffer* buffers,
                                    GLsizei width,
                                    GLsizei height,
                                    GLenum internalformat);