Add histogram to measure failure reasons for SSL Search

content/browser/renderer_host/resource_dispatcher_host.cc

Index: content/browser/renderer_host/resource_dispatcher_host.cc
diff --git a/content/browser/renderer_host/resource_dispatcher_host.cc b/content/browser/renderer_host/resource_dispatcher_host.cc
index 46d2cc2abd3442ae08c956f9d31d8608da39f35c..6a2d6a4bf1cf60f2421821b25edacb9a911c6837 100644
--- a/content/browser/renderer_host/resource_dispatcher_host.cc
+++ b/content/browser/renderer_host/resource_dispatcher_host.cc
@@ -1777,6 +1777,15 @@ void ResourceDispatcherHost::OnResponseCompleted(net::URLRequest* request) {
         -request->status().error(),
         base::CustomHistogram::ArrayToCustomRanges(
             kAllNetErrorCodes, arraysize(kAllNetErrorCodes)));
+
+    if (request->url().SchemeIsSecure() &&
+        request->url().host() == "www.google.com") {
+      UMA_HISTOGRAM_CUSTOM_ENUMERATION(
+          "Net.ErrorCodesForHTTPSGoogleMainFrame",
+          -request->status().error(),
+          base::CustomHistogram::ArrayToCustomRanges(
+              kAllNetErrorCodes, arraysize(kAllNetErrorCodes)));
+    }
   }
 
   std::string security_info;