Move code in ui/gl/* from gfx:: to gl::

gpu/command_buffer/service/gl_context_virtual_unittest.cc

Index: gpu/command_buffer/service/gl_context_virtual_unittest.cc
diff --git a/gpu/command_buffer/service/gl_context_virtual_unittest.cc b/gpu/command_buffer/service/gl_context_virtual_unittest.cc
index d1e225cf2a6b70a601b64cf3f54178a4f9fe6a15..2da1a4ecaf65bc3c9ab36fdb99a7b62b72a4b890 100644
--- a/gpu/command_buffer/service/gl_context_virtual_unittest.cc
+++ b/gpu/command_buffer/service/gl_context_virtual_unittest.cc
@@ -39,21 +39,21 @@ TEST_F(GLContextVirtualTest, Reinitialize) {
       .Times(AnyNumber())
       .WillRepeatedly(Return(reinterpret_cast<unsigned const char *>("")));
   {
-    scoped_refptr<gfx::GLContextStub> base_context = new gfx::GLContextStub;
-    gfx::GLShareGroup* share_group = base_context->share_group();
+    scoped_refptr<gl::GLContextStub> base_context = new gl::GLContextStub;
+    gl::GLShareGroup* share_group = base_context->share_group();
     share_group->SetSharedContext(base_context.get());
     scoped_refptr<GLContextVirtual> context(new GLContextVirtual(
         share_group, base_context.get(), decoder_->AsWeakPtr()));
-    EXPECT_TRUE(context->Initialize(GetGLSurface(), gfx::PreferIntegratedGpu));
+    EXPECT_TRUE(context->Initialize(GetGLSurface(), gl::PreferIntegratedGpu));
     EXPECT_TRUE(context->MakeCurrent(GetGLSurface()));
   }
   {
-    scoped_refptr<gfx::GLContextStub> base_context = new gfx::GLContextStub;
-    gfx::GLShareGroup* share_group = base_context->share_group();
+    scoped_refptr<gl::GLContextStub> base_context = new gl::GLContextStub;
+    gl::GLShareGroup* share_group = base_context->share_group();
     share_group->SetSharedContext(base_context.get());
     scoped_refptr<GLContextVirtual> context(new GLContextVirtual(
         share_group, base_context.get(), decoder_->AsWeakPtr()));
-    EXPECT_TRUE(context->Initialize(GetGLSurface(), gfx::PreferIntegratedGpu));
+    EXPECT_TRUE(context->Initialize(GetGLSurface(), gl::PreferIntegratedGpu));
     EXPECT_TRUE(context->MakeCurrent(GetGLSurface()));
   }
 }