cc: Add frame data to LTHI tracing

cc/output/filter_operation.h

Index: cc/output/filter_operation.h
diff --git a/cc/output/filter_operation.h b/cc/output/filter_operation.h
index ad25cf48f6cb43438590b1aeb18e5782ddb2ac44..f56176213b14081081361bfc546b544df885eb0d 100644
--- a/cc/output/filter_operation.h
+++ b/cc/output/filter_operation.h
@@ -6,11 +6,16 @@
 #define CC_OUTPUT_FILTER_OPERATION_H_
 
 #include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkScalar.h"
 #include "ui/gfx/point.h"
 
+namespace base {
+class Value;
+}
+
 namespace cc {
 
 class CC_EXPORT FilterOperation {
@@ -161,6 +166,8 @@ class CC_EXPORT FilterOperation {
                                const FilterOperation* to,
                                double progress);
 
+  scoped_ptr<base::Value> AsValue() const;
+
  private:
   FilterOperation(FilterType type, float amount);