Removed requirement for the renderer to know it's process ID

ui/events/latency_info.h

Index: ui/events/latency_info.h
diff --git a/ui/events/latency_info.h b/ui/events/latency_info.h
index 96f76fbb890ffe179fb61e3a5d37249e5693a47b..bf17a4d4cc066a3abb51ebc33550f3838b3df33d 100644
--- a/ui/events/latency_info.h
+++ b/ui/events/latency_info.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/process/process_handle.h"

[jbauman, 2014/01/17 00:02:29]

Not necessary anymore.

 #include "base/time/time.h"
 #include "ui/events/events_base_export.h"
 
@@ -134,6 +135,12 @@ struct EVENTS_BASE_EXPORT LatencyInfo {
   // Records the |event_type| in trace buffer as TRACE_EVENT_ASYNC_STEP.
   void TraceEventType(const char* event_type);
 
+  // Some LatencyComponents generated in the renderer, specifically
+  // WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENTs, require a ProcessId to route

[jbauman, 2014/01/17 00:02:29]

Not a ProcessId anymore.

+  // notifications correctly. Since that cannot be given in the renderer
+  // this function patches the ProcessId in from the browser process.
+  void FixMissingComponentIds(int64 component_id);

[jbauman, 2014/01/17 00:02:29]

Could you put this on RenderWidgetHostImpl instead? ui/events ideally shouldn't
have to worry about which components are created in the renderer or the browser
process.

+
   LatencyMap latency_components;
   // The unique id for matching the ASYNC_BEGIN/END trace event.
   int64 trace_id;