Remove GetBitmapForSharedMemory from cc::SharedBitmapManager

cc/test/test_shared_bitmap_manager.cc

Index: cc/test/test_shared_bitmap_manager.cc
diff --git a/cc/test/test_shared_bitmap_manager.cc b/cc/test/test_shared_bitmap_manager.cc
index 933dcd25db4d8d3ce68b201c249863b7d5e93d8f..b96d01837ae73645c0e3e845a565e3d0a8a4df81 100644
--- a/cc/test/test_shared_bitmap_manager.cc
+++ b/cc/test/test_shared_bitmap_manager.cc
@@ -63,12 +63,4 @@ scoped_ptr<SharedBitmap> TestSharedBitmapManager::GetSharedBitmapFromId(
   return make_scoped_ptr(new UnownedSharedBitmap(bitmap_map_[id], id));
 }
 
-scoped_ptr<SharedBitmap> TestSharedBitmapManager::GetBitmapForSharedMemory(
-    base::SharedMemory* memory) {
-  base::AutoLock lock(lock_);
-  SharedBitmapId id = SharedBitmap::GenerateId();
-  bitmap_map_[id] = memory;
-  return make_scoped_ptr(new UnownedSharedBitmap(memory, id));
-}
-
 }  // namespace cc