Trace_event upgrades

chrome/browser/renderer_host/render_process_host.cc

Index: chrome/browser/renderer_host/render_process_host.cc
diff --git a/chrome/browser/renderer_host/render_process_host.cc b/chrome/browser/renderer_host/render_process_host.cc
index e31917873665397523ad6216fb927b833779bfc4..66884a680e08f9b1c37ed818295026d2e1e4bdf3 100644
--- a/chrome/browser/renderer_host/render_process_host.cc
+++ b/chrome/browser/renderer_host/render_process_host.cc
@@ -10,6 +10,7 @@
 #include "chrome/common/child_process_info.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/notification_service.h"
+#include "chrome/common/render_messages.h"
 
 namespace {
 
@@ -77,6 +78,9 @@ static bool IsSuitableHost(RenderProcessHost* host, Profile* profile,
 // the global list of all renderer processes
 IDMap<RenderProcessHost> all_hosts;
 
+// Whether tracing is enabled on render processes.
+bool trace_enabled = false;
+
 }  // namespace
 
 extern bool g_log_bug53991;
@@ -89,6 +93,19 @@ void RenderProcessHost::SetMaxRendererProcessCount(size_t count) {
   max_renderer_count_override = count;
 }
 
+// TODO(nduca): if a process is crated while enabled,
+// send enabled flag to child process
+int RenderProcessHost::SetTraceEnabled(bool enabled) {
+  int count = 0;
+  trace_enabled = enabled;
+  for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator());
+       !i.IsAtEnd(); i.Advance()) {
+    i.GetCurrentValue()->Send(new ViewMsg_SetTraceEnabled(enabled));
+    count +=1 ;
+  }
+  return count;
+}
+
 RenderProcessHost::RenderProcessHost(Profile* profile)
     : max_page_id_(-1),
       fast_shutdown_started_(false),