Category group support/Renamings.

content/browser/tracing/trace_controller_impl.h

Index: content/browser/tracing/trace_controller_impl.h
diff --git a/content/browser/tracing/trace_controller_impl.h b/content/browser/tracing/trace_controller_impl.h
index 501f56147de483243c260fdcd5bc9d1ae7281d34..9ead30f814214af04f7c28eed8afe016f4fa359c 100644
--- a/content/browser/tracing/trace_controller_impl.h
+++ b/content/browser/tracing/trace_controller_impl.h
@@ -26,23 +26,14 @@ class TraceControllerImpl : public TraceController {
   // startup tracing.
   void InitStartupTracing(const CommandLine& command_line);
 
-  // Get set of known categories. This can change as new code paths are reached.
-  // If true is returned, subscriber->OnKnownCategoriesCollected will be called
-  // once the categories are retrieved from child processes.
-  bool GetKnownCategoriesAsync(TraceSubscriber* subscriber);
-
-  // Same as above, but specifies which categories to trace.
-  // If both included_categories and excluded_categories are empty,
-  //   all categories are traced.
-  // Else if included_categories is non-empty, only those are traced.
-  // Else if excluded_categories is non-empty, everything but those are traced.
-  bool BeginTracing(TraceSubscriber* subscriber,
-                    const std::vector<std::string>& included_categories,
-                    const std::vector<std::string>& excluded_categories);
-
-  // TraceController implementation:
+  // Get set of known category groups. This can change as new code paths are
+  // reached. If true is returned, subscriber->OnKnownCategoriesCollected will
+  // be called once the categories are retrieved from child processes.
+  bool GetKnownCategoryGroupsAsync(TraceSubscriber* subscriber);
+
+  // TraceController implementation.
   virtual bool BeginTracing(TraceSubscriber* subscriber,
-                            const std::string& categories) OVERRIDE;
+                            const std::string& category_patterns) OVERRIDE;
   virtual  bool EndTracingAsync(TraceSubscriber* subscriber) OVERRIDE;
   virtual bool GetTraceBufferPercentFullAsync(
       TraceSubscriber* subscriber) OVERRIDE;
@@ -86,7 +77,7 @@ class TraceControllerImpl : public TraceController {
   void AddFilter(TraceMessageFilter* filter);
   void RemoveFilter(TraceMessageFilter* filter);
   void OnTracingBegan(TraceSubscriber* subscriber);
-  void OnEndTracingAck(const std::vector<std::string>& known_categories);
+  void OnEndTracingAck(const std::vector<std::string>& known_category_groups);
   void OnTraceDataCollected(
       const scoped_refptr<base::RefCountedString>& events_str_ptr);
   void OnTraceNotification(int notification);
@@ -100,10 +91,9 @@ class TraceControllerImpl : public TraceController {
   int pending_bpf_ack_count_;
   float maximum_bpf_;
   bool is_tracing_;
-  bool is_get_categories_;
-  std::set<std::string> known_categories_;
-  std::vector<std::string> included_categories_;
-  std::vector<std::string> excluded_categories_;
+  bool is_get_category_groups_;
+  std::set<std::string> known_category_groups_;
+  base::debug::CategoryFilter category_filter_;
   std::string watch_category_;
   std::string watch_name_;