Chrome Performance Monitor: Metric API Functions.

chrome/browser/ui/webui/performance_monitor/web_ui_handler.h

Index: chrome/browser/ui/webui/performance_monitor/web_ui_handler.h
diff --git a/chrome/browser/ui/webui/performance_monitor/web_ui_handler.h b/chrome/browser/ui/webui/performance_monitor/web_ui_handler.h
index 7a9dc78f0e88f3bb9bc039ad9050796952238ca3..5c52d23051aa8f1b9a4ecd6d1c5dc55bda044843 100644
--- a/chrome/browser/ui/webui/performance_monitor/web_ui_handler.h
+++ b/chrome/browser/ui/webui/performance_monitor/web_ui_handler.h
@@ -36,14 +36,26 @@ class WebUIHandler : public content::WebUIMessageHandler,
                      const base::ListValue* results);
 
   // Callback for the "getActiveIntervals" message.
+  // |args| contains a start and an end time.
   void HandleGetActiveIntervals(const base::ListValue* args);
 
   // Callback for the "getAllEventTypes" message.
+  // |args| is unused.
   void HandleGetAllEventTypes(const base::ListValue* args);
 
   // Callback for the "getEvents" message.
+  // |args| contains an EventType id to collect and a start and end time.
   void HandleGetEvents(const base::ListValue* args);
 
+  // Callback for the "getAllMetricTypes" message.
+  // |args| is unused.
+  void HandleGetAllMetricTypes(const base::ListValue* args);
+
+  // Callback for the "getMetric" message.
+  // |args| contains a MetricType id to collect, a start and end time, and a
+  // time resolution which defines the spacing of metric samples returned.
+  void HandleGetMetric(const base::ListValue* args);
+
   DISALLOW_COPY_AND_ASSIGN(WebUIHandler);
 };