gpu: Add base class for gpu service tests

gpu/command_buffer/service/shader_manager_unittest.cc

Index: gpu/command_buffer/service/shader_manager_unittest.cc
diff --git a/gpu/command_buffer/service/shader_manager_unittest.cc b/gpu/command_buffer/service/shader_manager_unittest.cc
index 1f48f2deda5f3f07bd7062b094c28795e2948535..b5b7b383984d2dbd45e61bbe485ca520900f4fc2 100644
--- a/gpu/command_buffer/service/shader_manager_unittest.cc
+++ b/gpu/command_buffer/service/shader_manager_unittest.cc
@@ -5,6 +5,7 @@
 #include "gpu/command_buffer/service/shader_manager.h"
 
 #include "base/memory/scoped_ptr.h"
+#include "gpu/command_buffer/service/gpu_service_test.h"
 #include "gpu/command_buffer/service/mocks.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_mock.h"
@@ -15,7 +16,7 @@ using ::testing::ReturnRef;
 namespace gpu {
 namespace gles2 {
 
-class ShaderManagerTest : public testing::Test {
+class ShaderManagerTest : public GpuServiceTest {
  public:
   ShaderManagerTest() {
   }
@@ -25,18 +26,6 @@ class ShaderManagerTest : public testing::Test {
   }
 
  protected:
-  virtual void SetUp() {
-    gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
-    ::gfx::MockGLInterface::SetGLInterface(gl_.get());
-  }
-
-  virtual void TearDown() {
-    ::gfx::MockGLInterface::SetGLInterface(NULL);
-    gl_.reset();
-  }
-
-  // Use StrictMock to make 100% sure we know how GL will be called.
-  scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   ShaderManager manager_;
 };