RAPPOR implementation

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 9ded60f31718bcdc4a23721270a93a0ffdf50d87..e1eb6956da1c22d58f85269f078ad9fec856f195 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -116,6 +116,7 @@
 #include "components/language_usage_metrics/language_usage_metrics.h"
 #include "components/nacl/browser/nacl_browser.h"
 #include "components/nacl/browser/nacl_process_host.h"
+#include "components/rappor/rappor_service.h"
 #include "components/startup_metric_utils/startup_metric_utils.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_observer.h"
@@ -1080,6 +1081,10 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   StartMetricsRecording();
 #endif
 
+  browser_process_->rappor_service()->Start(

[sky, 2014/02/12 01:06:50]

How will running this here effect startup?

[Steven Holte, 2014/02/12 04:02:55]

If you mean in terms of start up time, it should be negligible.  Start() will
just check a field trial, read two preferences, start a timer and return.  After
15 seconds pass it will create and upload a report.

+      browser_process_->local_state(),
+      browser_process_->system_request_context());
+
   // Create watchdog thread after creating all other threads because it will
   // watch the other threads and they must be running.
   browser_process_->watchdog_thread();