Only allow TexStorage2DEXT if we expose the extension

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 1211 matching lines @@
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_OUT_OF_MEMORY, GetGLError());
   EXPECT_EQ(64u, memory_tracker->GetPoolSize());
 }
 
 TEST_P(GLES2DecoderManualInitTest, MemoryTrackerTexStorage2DEXT) {
   scoped_refptr<SizeOnlyMemoryTracker> memory_tracker =
       new SizeOnlyMemoryTracker();
   set_memory_tracker(memory_tracker.get());
   InitState init;
+  init.extensions = "GL_EXT_texture_storage";
   init.bind_generates_resource = true;
   InitDecoder(init);
   DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
   // Check we get out of memory and no call to glTexStorage2DEXT
   // if Ensure fails.
   EXPECT_CALL(*memory_tracker.get(), EnsureGPUMemoryAvailable(128))
       .WillOnce(Return(false))
       .RetiresOnSaturation();
   TexStorage2DEXT cmd;
   cmd.Init(GL_TEXTURE_2D, 1, GL_RGBA8, 8, 4);
@@ skipping 468 matching lines @@
 INSTANTIATE_TEST_CASE_P(Service, GLES2DecoderDoCommandsTest, ::testing::Bool());
 
 INSTANTIATE_TEST_CASE_P(Service, GLES3DecoderTest, ::testing::Bool());
 
 INSTANTIATE_TEST_CASE_P(Service,
                         GLES3DecoderWithESSL3ShaderTest,
                         ::testing::Bool());
 
 }  // namespace gles2
 }  // namespace gpu