Revert of Revert "Revert 237280 "Remove TraceController""

content/browser/android/tracing_controller_android.h

Index: content/browser/android/tracing_controller_android.h
diff --git a/content/browser/android/tracing_controller_android.h b/content/browser/android/tracing_controller_android.h
index 4d70e7b75ef912a557bebf61af854d23c3fbec6c..0cd310ebb68ff8364607b8ff62f1284f5114161d 100644
--- a/content/browser/android/tracing_controller_android.h
+++ b/content/browser/android/tracing_controller_android.h
@@ -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 {
 
@@ -26,11 +25,12 @@
 
  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);
 };