cc: Add frame data to LTHI tracing

cc/quads/picture_draw_quad.cc

Index: cc/quads/picture_draw_quad.cc
diff --git a/cc/quads/picture_draw_quad.cc b/cc/quads/picture_draw_quad.cc
index 81f79138bb7acf410960fbeef7a8ba4677eacb75..0494764d8aaec4137d509c40bd0cdb4696d3ae73 100644
--- a/cc/quads/picture_draw_quad.cc
+++ b/cc/quads/picture_draw_quad.cc
@@ -4,6 +4,9 @@
 
 #include "cc/quads/picture_draw_quad.h"
 
+#include "base/values.h"
+#include "cc/base/math_util.h"
+
 namespace cc {
 
 PictureDrawQuad::PictureDrawQuad() {
@@ -68,4 +71,13 @@ const PictureDrawQuad* PictureDrawQuad::MaterialCast(const DrawQuad* quad) {
   return static_cast<const PictureDrawQuad*>(quad);
 }
 
+void PictureDrawQuad::ExtendValue(base::DictionaryValue* value) const {
+  ContentDrawQuadBase::ExtendValue(value);
+  value->Set("content_rect", MathUtil::AsValue(content_rect).release());
+  value->SetDouble("contents_scale", contents_scale);
+  value->SetBoolean("can_draw_direct_to_backbuffer",
+                    can_draw_direct_to_backbuffer);
+  // TODO(piman): picture_pile?
+}
+
 }  // namespace cc