[cc] Trace detailed tile info when --trace-all-rendered-frames

cc/tile_priority.h

Index: cc/tile_priority.h
diff --git a/cc/tile_priority.h b/cc/tile_priority.h
index ae07d5a7b541708f502c286ffeaea7b60b493bed..8c36fd36f8b62b66b705078837ad31b539e50b0b 100644
--- a/cc/tile_priority.h
+++ b/cc/tile_priority.h
@@ -10,6 +10,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/picture_pile.h"
+#include "ui/gfx/quad_f.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
@@ -35,6 +36,8 @@ enum TileResolution {
   HIGH_RESOLUTION = 1,
   NON_IDEAL_RESOLUTION = 2,
 };
+scoped_ptr<base::Value> TileResolutionAsValue(
+    TileResolution resolution);
 
 struct CC_EXPORT TilePriority {
   TilePriority()
@@ -88,6 +91,9 @@ struct CC_EXPORT TilePriority {
       std::min(active.distance_to_visible_in_pixels,
                pending.distance_to_visible_in_pixels);
   }
+  void set_current_screen_quad(const gfx::QuadF& q) { current_screen_quad = q; }
+
+  scoped_ptr<base::Value> AsValue() const;
 
   static const float kMaxDistanceInContentSpace;
 
@@ -119,6 +125,9 @@ struct CC_EXPORT TilePriority {
   TileResolution resolution;
   float time_to_visible_in_seconds;
   float distance_to_visible_in_pixels;
+
+private:
+  gfx::QuadF current_screen_quad;
 };
 
 enum TileMemoryLimitPolicy {