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

chrome/browser/toolbar_model.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/toolbar_model.h"
 
 #include "app/l10n_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/cert_store.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/ssl/ssl_error_info.h"
 #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"
 #include "grit/theme_resources.h"
 #include "net/base/cert_status_flags.h"
 #include "net/base/net_util.h"
 
 ToolbarModel::ToolbarModel(Browser* browser)
     : browser_(browser),
       input_in_progress_(false) {
@@ skipping 12 matching lines @@
     languages = navigation_controller->profile()->GetPrefs()->GetString(
                     prefs::kAcceptLanguages);
     NavigationEntry* entry = navigation_controller->GetActiveEntry();
     if (!navigation_controller->tab_contents()->ShouldDisplayURL()) {
       // Explicitly hide the URL for this tab.
       url = GURL();
     } else if (entry) {
       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);
 }
 
 ToolbarModel::SecurityLevel ToolbarModel::GetSecurityLevel() const {
   if (input_in_progress_)  // When editing, assume no security style.
     return NONE;
 
   NavigationController* navigation_controller = GetNavigationController();
   if (!navigation_controller)  // We might not have a controller on init.
@@ skipping 131 matching lines @@
     *text = errors[0].short_description();
   } else {
     // Multiple errors.
     *text = l10n_util::GetString(IDS_SEVERAL_SSL_ERRORS);
     for (size_t i = 0; i < errors.size(); ++i) {
       text->append(L"\n");
       text->append(errors[i].short_description());
     }
   }
 }