gles2: Fix glDiscardFramebufferEXT

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 3858 matching lines @@
 
   EXPECT_EQ(error::kNoError, ExecuteImmediateCmd(cmd, sizeof(attachments)));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
   // Invalidating part of DEPTH_STENCIL attachment doesn't change framebuffer
   // clearance status.
   EXPECT_TRUE(framebuffer->IsCleared());
   EXPECT_FALSE(framebuffer->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_FALSE(framebuffer->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
 
   attachments[0] = GL_DEPTH_STENCIL_ATTACHMENT;
-  EXPECT_CALL(*gl_, InvalidateFramebuffer(target, 1, _))
+  EXPECT_CALL(*gl_, InvalidateFramebuffer(target, 2, _))
       .Times(1)
       .RetiresOnSaturation();
   cmd.Init(target, count, attachments);
 
   EXPECT_EQ(error::kNoError, ExecuteImmediateCmd(cmd, sizeof(attachments)));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
   // Invalidating DEPTH_STENCIL attachment should make framebuffer uncleared.
   EXPECT_FALSE(framebuffer->IsCleared());
   EXPECT_TRUE(framebuffer->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_TRUE(framebuffer->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
@@ skipping 143 matching lines @@
     EXPECT_EQ(GL_NO_ERROR, GetGLError());
   }
 }
 
 // TODO(gman): PixelStorei
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu