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

cc/math_util.cc

Index: cc/math_util.cc
diff --git a/cc/math_util.cc b/cc/math_util.cc
index 481c4d69fd37db0cead1d156211ab80322e2a395..9f14395affe9bd1f39d644351b6de028d8073d1a 100644
--- a/cc/math_util.cc
+++ b/cc/math_util.cc
@@ -7,6 +7,7 @@
 #include <cmath>
 #include <limits>
 
+#include "base/values.h"
 #include "ui/gfx/quad_f.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_conversions.h"
@@ -385,4 +386,20 @@ gfx::Vector2dF MathUtil::projectVector(gfx::Vector2dF source, gfx::Vector2dF des
     return gfx::Vector2dF(projectedLength * destination.x(), projectedLength * destination.y());
 }
 
+static scoped_ptr<base::Value> asValue(gfx::PointF pt) {
+  scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
+  res->SetDouble("x", pt.x());
+  res->SetDouble("y", pt.y());
+  return res.PassAs<base::Value>();
+}
+
+static scoped_ptr<base::Value> asValue(gfx::QuadF q) {
+  scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
+  res->Set("p1", asValue(q.p1()).release());
+  res->Set("p2", asValue(q.p2()).release());
+  res->Set("p3", asValue(q.p3()).release());
+  res->Set("p4", asValue(q.p4()).release());
+  return res.PassAs<base::Value>();
+}
+
 }  // namespace cc