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

cc/tile_priority.cc

Index: cc/tile_priority.cc
diff --git a/cc/tile_priority.cc b/cc/tile_priority.cc
index ec77029abe66df355704cda51269899dac93f7f5..5ca4298f9b58610562c26b04d4b8d6ff1fc7b677 100644
--- a/cc/tile_priority.cc
+++ b/cc/tile_priority.cc
@@ -5,6 +5,7 @@
 #include "cc/tile_priority.h"
 
 #include "base/values.h"
+#include "cc/math_util.h"
 
 namespace {
 
@@ -71,6 +72,34 @@ scoped_ptr<base::Value> WhichTreeAsValue(WhichTree tree) {
   }
 }
 
+scoped_ptr<base::Value> TileResolutionAsValue(
+    TileResolution resolution) {
+  switch (resolution) {
+  case LOW_RESOLUTION:
+    return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+        "LOW_RESOLUTION"));
+  case HIGH_RESOLUTION:
+    return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+        "HIGH_RESOLUTION"));
+  default:
+    DCHECK(false) << "Unrecognized TileResolution value";
+    return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+        "<unknown TileResolution value>"));
+  }
+}
+
+scoped_ptr<base::Value> TilePriority::AsValue() const {
+  scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
+  state->SetBoolean("is_live", is_live);
+  state->Set("resolution", TileResolutionAsValue(resolution).release());

[whunt, 2013/02/01 21:09:33]

Is this going to cause a double-release as the values goes out of scope when
state eventually dies?

+  state->SetDouble("time_to_visible_in_seconds", time_to_visible_in_seconds);
+  state->SetDouble("distance_to_visible_in_pixels", distance_to_visible_in_pixels);
+#if TRACK_TILE_SCREEN_SPACE_QUADS
+  state->Set("current_screen_quad", MathUtil::asValue(current_screen_quad).release());
+#endif
+  return state.PassAs<base::Value>();
+}
+
 int TilePriority::manhattanDistance(const gfx::RectF& a, const gfx::RectF& b) {
   gfx::RectF c = gfx::UnionRects(a, b);
   // Rects touching the edge of the screen should not be considered visible.