Revert of Add builders for tracing event's structural arguments (https://codereview.chromium.org/380763002/)

Reason for revert:
linux ASAN errors.

http://build.chromium.org/p/chromium.memory/builders/Linux%20ASan%20LSan%20Tests%20%281%29/builds/4493/steps/base_unittests/logs/stdio

Original issue's description:
> Add builders for tracing event's structural arguments
> 
> The new classes allow building JSON-like structural arguments. Current implementation uses base::Value as backing store but that can be replaced in the future with something more efficient without changing client code.
> 
> All clients of cc/debug/traced_value.h should eventually switch to use the new builders.
> 
> BUG=361045
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=286849

TBR=alph, caseq, dsinclair, nduca, willchan, yurys
NOTREECHECKS=true
NOTRY=true
BUG=361045

Review URL: https://codereview.chromium.org/421183003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@286862 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 7 deletions

diff --git a/cc/trees/proxy.h b/cc/trees/proxy.h
index 6100562..7854edc 100644
--- a/cc/trees/proxy.h
+++ b/cc/trees/proxy.h
@@ -16,12 +16,7 @@
 #include "base/values.h"
 #include "cc/base/cc_export.h"
 
-namespace base {
-namespace debug {
-class TracedValue;
-}
-class SingleThreadTaskRunner;
-}
+namespace base { class SingleThreadTaskRunner; }
 
 namespace gfx {
 class Rect;
@@ -96,12 +91,13 @@ class CC_EXPORT Proxy {
 
   virtual bool SupportsImplScrolling() const = 0;
 
-  virtual void AsValueInto(base::debug::TracedValue* value) const = 0;
+  virtual scoped_ptr<base::Value> AsValue() const = 0;
 
   virtual void SetDebugState(const LayerTreeDebugState& debug_state) = 0;
 
   // Testing hooks
   virtual bool CommitPendingForTesting() = 0;
+  virtual scoped_ptr<base::Value> SchedulerAsValueForTesting();
 
  protected:
   Proxy(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,