Track in which frames navigation errors occurred and don't send further navigation events for them

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 2b1615d021f457df88e1ed4dc211ca9bdf4699ba..87a2f2441db4d758f1d4303e3989de69dc6f5413 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -298,7 +298,6 @@ static const int kDelaySecondsForContentStateSync = 1;
 // The maximum number of popups that can be spawned from one page.
 static const int kMaximumNumberOfUnacknowledgedPopups = 25;
 
-static const char kUnreachableWebDataURL[] = "chrome://chromewebdata/";
 static const char kBackForwardNavigationScheme[] = "history";
 
 static void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
@@ -1632,7 +1631,7 @@ void RenderView::LoadNavigationErrorPage(WebFrame* frame,
   }
 
   frame->loadHTMLString(alt_html,
-                        GURL(kUnreachableWebDataURL),
+                        GURL(chrome::kChromeUnreachableWebDataURL),
                         failed_url,
                         replace);
 }
@@ -4776,7 +4775,7 @@ bool RenderView::MaybeLoadAlternateErrorPage(WebFrame* frame,
   // Load an empty page first so there is an immediate response to the error,
   // and then kick off a request for the alternate error page.
   frame->loadHTMLString(std::string(),
-                        GURL(kUnreachableWebDataURL),
+                        GURL(chrome::kChromeUnreachableWebDataURL),
                         error.unreachableURL,
                         replace);