Collect profiler stats from browser child processes.

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
===================================================================
--- chrome/common/render_messages.h	(revision 110669)
+++ chrome/common/render_messages.h	(working copy)
@@ -238,13 +238,14 @@
 IPC_MESSAGE_CONTROL1(ChromeViewMsg_GetRendererHistograms,
                      int /* sequence number of Renderer Histograms. */)
 
-// Asks the renderer to send back tracked data (ThreadData in tracked_objects).
-IPC_MESSAGE_CONTROL1(ChromeViewMsg_GetRendererTrackedData,
-                     int /* sequence number of Renderer tracked data. */)
+// Asks the renderer to send back profiler data (ThreadData in tracked_objects).
+IPC_MESSAGE_CONTROL2(ChromeViewMsg_GetRendererProfilerData,
+                     int, /* sequence number of Renderer profiler data. */
+                     std::string /* pickled Value containing profiler data. */)
 
-// Asks the renderer to set the tracking status.
-IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetTrackingStatus,
-                     bool /* tracking status */)
+// Asks the renderer to set the profiler status.
+IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetProfilerStatus,
+                     bool /* profiler status */)
 
 // Tells the renderer to create a FieldTrial, and by using a 100% probability
 // for the FieldTrial, forces the FieldTrial to have assigned group name.
@@ -479,15 +480,15 @@
                      int, /* sequence number of Renderer Histograms. */
                      std::vector<std::string>)
 
-// Send back tracked data (ThreadData in tracked_objects) as a pickled string.
-IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_RendererTrackedData,
-                     int, /* sequence number of Renderer tracked data. */
+// Send back profiler data (ThreadData in tracked_objects) as a pickled string.
+IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_RendererProfilerData,
+                     int, /* sequence number of Renderer profiler data. */
                      std::string  /* pickled Value containing profile data. */)
 
-// Check if tracking is enabled in browser process or not. Browser process
-// responds by sending ChromeViewMsg_SetTrackingStatus message to the process
+// Check if profiler is enabled in browser process or not. Browser process
+// responds by sending ChromeViewMsg_SetProfilerStatus message to the process
 // that sent this message.
-IPC_MESSAGE_CONTROL0(ChromeViewHostMsg_IsTrackingEnabled)
+IPC_MESSAGE_CONTROL0(ChromeViewHostMsg_IsProfilerEnabled)
 
 #if defined USE_TCMALLOC
 // Send back tcmalloc stats output.