Don't do Instant previews of chrome://crash

chrome/browser/instant/instant_controller.cc

 // Copyright (c) 2011 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/instant/instant_controller.h"
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/rand_util.h"
@@ skipping 14 matching lines @@
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/notification_service.h"
 
+namespace {
+
 // Number of ms to delay between loading urls.
-static const int kUpdateDelayMS = 200;
+const int kUpdateDelayMS = 200;
 
 // Amount of time we delay before showing pages that have a non-200 status.
-static const int kShowDelayMS = 800;
+const int kShowDelayMS = 800;
+
+bool IsBlacklistedUrl(const GURL& url) {
+  for (int i = 0; i < chrome::kNumberOfChromeDebugURLs; ++i) {
+    if (url == GURL(chrome::kChromeDebugURLs[i]))
+      return true;
+  }
+  return false;
+}
+
+}
 
 // static
 InstantController::HostBlacklist* InstantController::host_blacklist_ = NULL;
 
 InstantController::InstantController(Profile* profile,
                                      InstantDelegate* delegate)
     : delegate_(delegate),
       tab_contents_(NULL),
       is_active_(false),
       displayable_loader_(NULL),
@@ skipping 657 matching lines @@
 
   if (match.destination_url.SchemeIs(chrome::kJavaScriptScheme))
     return PREVIEW_CONDITION_JAVASCRIPT_SCHEME;
 
   // Extension keywords don't have a real destination URL.
   if (match.template_url && match.template_url->IsExtensionKeyword())
     return PREVIEW_CONDITION_EXTENSION_KEYWORD;
 
   // Was the host blacklisted?
   if (host_blacklist_ && host_blacklist_->count(match.destination_url.host()))
-    return PREVIEW_CONDITION_BLACKLISTED;
+    return PREVIEW_CONDITION_BLACKLISTED_HOST;
+
+  // Was the URL blacklisted?
+  if (IsBlacklistedUrl(match.destination_url))
+    return PREVIEW_CONDITION_BLACKLISTED_URL;
 
   const CommandLine* cl = CommandLine::ForCurrentProcess();
   if ((cl->HasSwitch(switches::kRestrictInstantToSearch) ||
        InstantFieldTrial::IsExperimentGroup(tab_contents_->profile())) &&
       match.type != AutocompleteMatch::SEARCH_WHAT_YOU_TYPED &&
       match.type != AutocompleteMatch::SEARCH_HISTORY &&
       match.type != AutocompleteMatch::SEARCH_SUGGEST &&
       match.type != AutocompleteMatch::SEARCH_OTHER_ENGINE) {
     return PREVIEW_CONDITION_INSTANT_SEARCH_ONLY;
   }
@@ skipping 18 matching lines @@
   if (destroy_factory_.empty()) {
     MessageLoop::current()->PostTask(
         FROM_HERE, destroy_factory_.NewRunnableMethod(
             &InstantController::DestroyLoaders));
   }
 }
 
 void InstantController::DestroyLoaders() {
   loaders_to_destroy_.reset();
 }