Work around broken GL_TEXTURE_BINDING_EXTERNAL_OES query

gpu/command_buffer/service/gles2_cmd_decoder_unittest.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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include "base/atomicops.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/common/id_allocator.h"
@@ skipping 5620 matching lines @@
   SetupSamplerExternalProgram();
   SetupIndexBuffer();
   AddExpectationsForSimulatedAttrib0(kMaxValidIndex + 1, 0);
   SetupExpectationsForApplyingDefaultDirtyState();
   EXPECT_TRUE(group().texture_manager()->CanRender(texture_ref));
 
   InSequence s;
   EXPECT_CALL(*stream_texture_manager(), LookupStreamTexture(kServiceTextureId))
       .WillOnce(Return(&stream_texture))
       .RetiresOnSaturation();
+  EXPECT_CALL(*gl_, ActiveTexture(GL_TEXTURE0))
+      .Times(1)
+      .RetiresOnSaturation();
   EXPECT_CALL(stream_texture, Update())
       .Times(1)
       .RetiresOnSaturation();
   EXPECT_CALL(*gl_, DrawElements(_, _, _, _))
       .Times(1);
   DrawElements cmd;
   cmd.Init(GL_TRIANGLES, kValidIndexRangeCount, GL_UNSIGNED_SHORT,
            kValidIndexRangeStart * 2);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
@@ skipping 2870 matching lines @@
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 // TODO(gman): UseProgram
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu