Revert 237280 "Remove TraceController"

trunk/src/content/browser/android/tracing_controller_android.h

Index: trunk/src/content/browser/android/tracing_controller_android.h
===================================================================
--- trunk/src/content/browser/android/tracing_controller_android.h	(revision 237451)
+++ trunk/src/content/browser/android/tracing_controller_android.h	(working copy)
@@ -6,8 +6,7 @@
 #define CONTENT_BROWSER_ANDROID_TRACING_CONTROLLER_ANDROID_H_
 
 #include "base/android/jni_helper.h"
-#include "base/files/file_path.h"
-#include "base/memory/weak_ptr.h"
+#include "base/memory/scoped_ptr.h"
 
 namespace content {
 
@@ -26,12 +25,13 @@
 
  private:
   ~TracingControllerAndroid();
-  void OnTracingStopped(const base::FilePath& file_path);
+  void OnTracingStopped();
 
   JavaObjectWeakGlobalRef weak_java_object_;
-  base::FilePath file_path_;
-  base::WeakPtrFactory<TracingControllerAndroid> weak_factory_;
 
+  class Subscriber;
+  scoped_ptr<Subscriber> subscriber_;
+
   DISALLOW_COPY_AND_ASSIGN(TracingControllerAndroid);
 };