gpu: Add ARB_occlusion_query support.

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_unittest.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 1468 matching lines @@
       SetupExpectationsForEnableDisable(GL_BLEND, true);
   }
 
  protected:
   Enable cmds_[3];
   int entries_per_cmd_;
 };
 
 TEST_P(GLES3DecoderTest, BeginInvalidTargetQueryFails) {
   BeginQueryEXT begin_cmd;
-  begin_cmd.Init(GL_SAMPLES_PASSED,
+  begin_cmd.Init(0xdeadbeef,
                  kNewClientId,
                  kSharedMemoryId,
                  kSharedMemoryOffset);
   EXPECT_EQ(error::kNoError, ExecuteCmd(begin_cmd));
   EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
 }
 
 
 TEST_P(GLES3DecoderTest, BindTransformFeedbackValidArgs) {
   EXPECT_CALL(*gl_, BindTransformFeedback(GL_TRANSFORM_FEEDBACK,
@@ skipping 316 matching lines @@
 INSTANTIATE_TEST_CASE_P(Service, GLES3DecoderWithShaderTest, ::testing::Bool());
 
 INSTANTIATE_TEST_CASE_P(Service, GLES3DecoderManualInitTest, ::testing::Bool());
 
 INSTANTIATE_TEST_CASE_P(Service,
                         GLES3DecoderRGBBackbufferTest,
                         ::testing::Bool());
 
 }  // namespace gles2
 }  // namespace gpu