Make the browser survive massive data: URIs, via various techniques:...

chrome/browser/toolbar_model.cc

Index: chrome/browser/toolbar_model.cc
===================================================================
--- chrome/browser/toolbar_model.cc	(revision 43077)
+++ chrome/browser/toolbar_model.cc	(working copy)
@@ -13,6 +13,7 @@
 #include "chrome/browser/tab_contents/navigation_controller.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/chrome_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "grit/generated_resources.h"
@@ -45,6 +46,13 @@
       url = entry->virtual_url();
     }
   }
+  if (url.spec().length() > chrome::kMaxURLDisplayChars) {
+    if (url.IsStandard()) {
+      url = url.GetOrigin();
+    } else {
+      url = GURL(url.scheme() + ":");
+    }
+  }
   return net::FormatUrl(url, languages, true, UnescapeRule::NORMAL, NULL, NULL,
                         NULL);
 }