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 9c3039e12d4bfad7b3c5b60b84da1673f6e8686f..3576c8b6693c912a2edf57baea3ded08ba7f2406 100644
--- a/chrome/browser/ui/webui/performance_monitor/web_ui_handler.h
+++ b/chrome/browser/ui/webui/performance_monitor/web_ui_handler.h
@@ -12,6 +12,7 @@
 namespace base {
 class ListValue;
 class Time;
+class Value;
 }  // namespace base
 
 namespace performance_monitor {
@@ -31,18 +32,29 @@ class WebUIHandler : public content::WebUIMessageHandler,
   virtual void RegisterMessages() OVERRIDE;
 
   // Returns |results| through the given |callback| string.
-  void ReturnResults(const std::string& callback,
-                     const base::ListValue* results);
+  void ReturnResults(const std::string& callback, const base::Value* 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);
 };