Move NumberOfPlanesForGpuMemoryBufferFormat to gfx

content/child/child_thread_impl_browsertest.cc

Index: content/child/child_thread_impl_browsertest.cc
diff --git a/content/child/child_thread_impl_browsertest.cc b/content/child/child_thread_impl_browsertest.cc
index d6b82a80af4c24023e061d8b1108dd637329c333..add820cefe96b0d5eccc665a4f3b58228aa2b748 100644
--- a/content/child/child_thread_impl_browsertest.cc
+++ b/content/child/child_thread_impl_browsertest.cc
@@ -16,6 +16,7 @@
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
+#include "ui/gfx/buffer_format_util.h"
 #include "url/gurl.h"
 
 namespace content {
@@ -157,8 +158,7 @@ IN_PROC_BROWSER_TEST_P(ChildThreadImplGpuMemoryBufferBrowserTest,
   ASSERT_TRUE(buffer);
   EXPECT_EQ(format, buffer->GetFormat());
 
-  size_t num_planes =
-      GpuMemoryBufferImpl::NumberOfPlanesForGpuMemoryBufferFormat(format);
+  size_t num_planes = gfx::NumberOfPlanesForBufferFormat(format);
 
   // Map buffer planes.
   scoped_ptr<void* []> planes(new void* [num_planes]);