gpu: Remove Create/DeleteImage IPC by adding an X11_PIXMAP_BUFFER GpuMemoryBuffer type.

gpu/command_buffer/service/context_group_unittest.cc

Index: gpu/command_buffer/service/context_group_unittest.cc
diff --git a/gpu/command_buffer/service/context_group_unittest.cc b/gpu/command_buffer/service/context_group_unittest.cc
index 608109dffd0c16223e4aed5c45669c4903507402..ce47bd2cb4012467ae081df9dd2366dbce4fbaa1 100644
--- a/gpu/command_buffer/service/context_group_unittest.cc
+++ b/gpu/command_buffer/service/context_group_unittest.cc
@@ -38,7 +38,7 @@ class ContextGroupTest : public GpuServiceTest {
     GpuServiceTest::SetUp();
     decoder_.reset(new MockGLES2Decoder());
     group_ = scoped_refptr<ContextGroup>(
-        new ContextGroup(NULL, NULL, NULL, NULL, NULL, kBindGeneratesResource));
+        new ContextGroup(NULL, NULL, NULL, NULL, kBindGeneratesResource));
   }
 
   scoped_ptr<MockGLES2Decoder> decoder_;