[Command buffer] Fix the bug when blitting pixels outside read framebuffer

gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc

 // Copyright 2014 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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 3736 matching lines @@
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
     SetupExpectationsForFramebufferClearing(GL_DRAW_FRAMEBUFFER,  // target
                                             GL_COLOR_BUFFER_BIT,  // clear bits
                                             0, 0, 0, 0,           // color
                                             0,                    // stencil
                                             1.0f,                 // depth
                                             false,  // scissor test
                                             0, 0, 128, 64);
-    EXPECT_CALL(*gl_, BlitFramebufferEXT(0, 0, 1, 1, 0, 0, 1, 1,
+    EXPECT_CALL(*gl_, BlitFramebufferEXT(0, 0, _, _, 0, 0, _, _,
                                       GL_COLOR_BUFFER_BIT, GL_LINEAR))
         .Times(1)
         .RetiresOnSaturation();
     BlitFramebufferCHROMIUM cmd;
     cmd.Init(0, 0, 1, 1, 0, 0, 1, 1, GL_COLOR_BUFFER_BIT, GL_LINEAR);
     EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
     EXPECT_EQ(GL_NO_ERROR, GetGLError());
   }
 }
 
@@ skipping 77 matching lines @@
     EXPECT_EQ(GL_NO_ERROR, GetGLError());
   }
 }
 
 // TODO(gman): PixelStorei
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu