cc: Fix the format of GpuMemoryBuffer for SurfaceTexture

cc/trees/layer_tree_settings.h

Index: cc/trees/layer_tree_settings.h
diff --git a/cc/trees/layer_tree_settings.h b/cc/trees/layer_tree_settings.h
index 0653de5210660be25d5f055393db3c77bd913685..4e3deebbfbad726c142c42c6ade0ae20f7fc477a 100644
--- a/cc/trees/layer_tree_settings.h
+++ b/cc/trees/layer_tree_settings.h
@@ -5,6 +5,8 @@
 #ifndef CC_TREES_LAYER_TREE_SETTINGS_H_
 #define CC_TREES_LAYER_TREE_SETTINGS_H_
 
+#include <vector>
+
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/layer_tree_debug_state.h"
@@ -77,7 +79,8 @@ class CC_EXPORT LayerTreeSettings {
   bool use_zero_copy;
   bool use_persistent_map_for_gpu_memory_buffers;
   bool enable_elastic_overscroll;
-  unsigned use_image_texture_target;
+  // an array of image texture targets for each GpuMemoryBuffer format
+  std::vector<uint> use_image_texture_targets;
   bool ignore_root_layer_flings;
   size_t scheduled_raster_task_limit;
   bool use_occlusion_for_tile_prioritization;