gpu: Add base class for gpu service tests

gpu/command_buffer/service/context_group_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/context_group.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
+#include "gpu/command_buffer/service/gpu_service_test.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_mock.h"
 
-using ::gfx::MockGLInterface;
 using ::testing::_;
 using ::testing::DoAll;
 using ::testing::HasSubstr;
 using ::testing::InSequence;
 using ::testing::MatcherCast;
 using ::testing::Not;
 using ::testing::Pointee;
 using ::testing::Return;
 using ::testing::SetArrayArgument;
 using ::testing::SetArgumentPointee;
 using ::testing::StrEq;
-using ::testing::StrictMock;
 
 namespace gpu {
 namespace gles2 {
 
-class ContextGroupTest : public testing::Test {
+class ContextGroupTest : public GpuServiceTest {
  public:
   static const bool kBindGeneratesResource = false;
 
   ContextGroupTest() {}
 
  protected:
   virtual void SetUp() {
-    gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
-    ::gfx::MockGLInterface::SetGLInterface(gl_.get());
+    GpuServiceTest::SetUp();
     decoder_.reset(new MockGLES2Decoder());
     group_ = scoped_refptr<ContextGroup>(
         new ContextGroup(NULL, NULL, NULL, NULL, NULL, kBindGeneratesResource));
   }
 
-  virtual void TearDown() {
-    ::gfx::MockGLInterface::SetGLInterface(NULL);
-    gl_.reset();
-  }
-
-  scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   scoped_ptr<MockGLES2Decoder> decoder_;
   scoped_refptr<ContextGroup> group_;
 };
 
 TEST_F(ContextGroupTest, Basic) {
   // Test it starts off uninitialized.
   EXPECT_EQ(0u, group_->max_vertex_attribs());
   EXPECT_EQ(0u, group_->max_texture_units());
   EXPECT_EQ(0u, group_->max_texture_image_units());
   EXPECT_EQ(0u, group_->max_vertex_texture_image_units());
@@ skipping 72 matching lines @@
   EXPECT_TRUE(group_->renderbuffer_manager() == NULL);
   EXPECT_TRUE(group_->texture_manager() == NULL);
   EXPECT_TRUE(group_->program_manager() == NULL);
   EXPECT_TRUE(group_->shader_manager() == NULL);
 }
 
 }  // namespace gles2
 }  // namespace gpu