Add a shallow command buffer flush that doesn't glFlush

gpu/command_buffer/client/gles2_implementation_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.
 
 // Tests for GLES2Implementation.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2ext.h>
 #include "gpu/command_buffer/client/client_test_helper.h"
@@ skipping 2283 matching lines @@
   EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), gl_->GetError());
 }
 
 TEST_F(GLES2ImplementationTest, GetString) {
   const uint32 kBucketId = GLES2Implementation::kResultBucketId;
   const Str7 kString = {"foobar"};
   // GL_CHROMIUM_map_sub GL_CHROMIUM_flipy are hard coded into
   // GLES2Implementation.
   const char* expected_str =
       "foobar "
+      "GL_CHROMIUM_flipy "
       "GL_CHROMIUM_map_sub "
-      "GL_CHROMIUM_flipy "
+      "GL_CHROMIUM_shallow_flush "
       "GL_EXT_unpack_subimage";
   const char kBad = 0x12;
   struct Cmds {
     cmd::SetBucketSize set_bucket_size1;
     GetString get_string;
     cmd::GetBucketStart get_bucket_start;
     cmd::SetToken set_token1;
     cmd::SetBucketSize set_bucket_size2;
   };
   ExpectedMemoryInfo mem1 = GetExpectedMemory(MaxTransferBufferSize());
@@ skipping 300 matching lines @@
   gl_->GetQueryObjectuivEXT(id, GL_QUERY_RESULT_EXT, &result);
   EXPECT_TRUE(NoCommandsWritten());
   EXPECT_EQ(static_cast<GLuint>(GL_INVALID_ENUM), result);
 }
 
 #include "gpu/command_buffer/client/gles2_implementation_unittest_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu