Remove parts of //cc we aren't using

cc/output/copy_output_result.h

Index: cc/output/copy_output_result.h
diff --git a/cc/output/copy_output_result.h b/cc/output/copy_output_result.h
index 3662818ef4118a5c573156b58b6b6673ee8ccf46..7d4a5bbbbd3a445f99c53ba6cd35079ef89968e8 100644
--- a/cc/output/copy_output_result.h
+++ b/cc/output/copy_output_result.h
@@ -6,7 +6,6 @@
 #define CC_OUTPUT_COPY_OUTPUT_RESULT_H_
 
 #include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/resources/texture_mailbox.h"
 #include "ui/gfx/geometry/size.h"
@@ -16,7 +15,7 @@ class SkBitmap;
 namespace cc {
 class TextureMailbox;
 
-class CC_EXPORT CopyOutputResult {
+class CopyOutputResult {
  public:
   static scoped_ptr<CopyOutputResult> CreateEmptyResult() {
     return make_scoped_ptr(new CopyOutputResult);