Add builders for tracing event's structural arguments

cc/base/math_util.h

Index: cc/base/math_util.h
diff --git a/cc/base/math_util.h b/cc/base/math_util.h
index 3af2102152098df6b4890f1446061cc26ee4a9b8..0f2e35002c917868e67a1a391b0b18c566850f5d 100644
--- a/cc/base/math_util.h
+++ b/cc/base/math_util.h
@@ -17,7 +17,12 @@
 #include "ui/gfx/size.h"
 #include "ui/gfx/transform.h"
 
-namespace base { class Value; }
+namespace base {
+class Value;
+namespace debug {
+class TracedValue;
+}
+}
 
 namespace gfx {
 class QuadF;
@@ -185,10 +190,33 @@ class CC_EXPORT MathUtil {
   static scoped_ptr<base::Value> AsValue(const gfx::Transform& transform);
   static scoped_ptr<base::Value> AsValue(const gfx::BoxF& box);

[nduca, 2014/07/30 07:52:32]

do we need these now that we have AddToTracedValue?

[yurys, 2014/07/30 09:44:58]

Hopefully not. I will remove all unused utility functions and TracedValue from
cc/debug/traced_value.h

[yurys, 2014/07/30 14:41:16]

Some of them need to stay as they are used in LayerImpl::LayerTreeAsJson and its
overrides. I removed the rest.

 
+  static void AddToTracedValue(const gfx::Size& s,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::SizeF& s,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::Rect& r,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::PointF& q,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::Point3F&,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::Vector2d& v,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::QuadF& q,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::RectF& rect,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::Transform& transform,
+                               base::debug::TracedValue* res);
+  static void AddToTracedValue(const gfx::BoxF& box,
+                               base::debug::TracedValue* res);
+
   // Returns a base::Value representation of the floating point value.
   // If the value is inf, returns max double/float representation.
   static scoped_ptr<base::Value> AsValueSafely(double value);
   static scoped_ptr<base::Value> AsValueSafely(float value);
+  static double AsDoubleSafely(double value);
+  static float AsFloatSafely(float value);
 };
 
 }  // namespace cc