Send compressed histograms with system logs when sending feedback.

chrome/browser/extensions/api/feedback_private/feedback_private_api.cc

Index: chrome/browser/extensions/api/feedback_private/feedback_private_api.cc
diff --git a/chrome/browser/extensions/api/feedback_private/feedback_private_api.cc b/chrome/browser/extensions/api/feedback_private/feedback_private_api.cc
index ce46532a126a36e3a9e640ac6a78479ef5e8dcb5..6da1bca009e1757e59e8109a937bb403a3357061 100644
--- a/chrome/browser/extensions/api/feedback_private/feedback_private_api.cc
+++ b/chrome/browser/extensions/api/feedback_private/feedback_private_api.cc
@@ -107,7 +107,8 @@ bool FeedbackPrivateGetStringsFunction::RunImpl() {
   SET_STRING("page-url", IDS_FEEDBACK_REPORT_URL_LABEL);
   SET_STRING("screenshot", IDS_FEEDBACK_SCREENSHOT_LABEL);
   SET_STRING("user-email", IDS_FEEDBACK_USER_EMAIL_LABEL);
-  SET_STRING("sysinfo", IDS_FEEDBACK_INCLUDE_SYSTEM_INFORMATION_CHKBOX);
+  SET_STRING("sys-info",
+             IDS_FEEDBACK_INCLUDE_SYSTEM_INFORMATION_AND_METRICS_CHKBOX);
   SET_STRING("attach-file-label", IDS_FEEDBACK_ATTACH_FILE_LABEL);
   SET_STRING("attach-file-note", IDS_FEEDBACK_ATTACH_FILE_NOTE);
   SET_STRING("attach-file-to-big", IDS_FEEDBACK_ATTACH_FILE_TO_BIG);
@@ -215,10 +216,17 @@ bool FeedbackPrivateSendFeedbackFunction::RunImpl() {
                                  ->GetForProfile(GetProfile())
                                  ->GetService();
   DCHECK(service);
+
+  if (feedback_info.send_histograms) {

[rkc, 2013/11/01 19:57:39]

As mentioned in the IDL, this could just be a check the canary key in system
info.

+    scoped_ptr<std::string> histograms(service->GetHistograms());
+    feedback_data->SetAndCompressHistograms(*histograms);
+  }
+
   service->SendFeedback(
       GetProfile(),
       feedback_data,
       base::Bind(&FeedbackPrivateSendFeedbackFunction::OnCompleted, this));
+
   return true;
 }