[Favicon] Add new fallback icon rendering flow.

chrome/common/url_constants.cc

 // Copyright (c) 2012 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/common/url_constants.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "content/public/common/url_constants.h"
@@ skipping 27 matching lines @@
 const char kChromeUIDevicesURL[] = "chrome://devices/";
 const char kChromeUIDevToolsURL[] =
     "chrome-devtools://devtools/bundled/devtools.html";
 const char kChromeUIDomainReliabilityInternalsURL[] =
     "chrome://domain-reliability-internals/";
 const char kChromeUIDownloadsURL[] = "chrome://downloads/";
 const char kChromeUIEditSearchEngineDialogURL[] = "chrome://editsearchengine/";
 const char kChromeUIExtensionIconURL[] = "chrome://extension-icon/";
 const char kChromeUIExtensionsFrameURL[] = "chrome://extensions-frame/";
 const char kChromeUIExtensionsURL[] = "chrome://extensions/";
+const char kChromeUIFallbackIconURL[] = "chrome://fallback-icon/";
 const char kChromeUIFaviconURL[] = "chrome://favicon/";
 const char kChromeUIFeedbackURL[] = "chrome://feedback/";
 const char kChromeUIFlagsURL[] = "chrome://flags/";
 const char kChromeUIFlashURL[] = "chrome://flash/";
 const char kChromeUIGCMInternalsURL[] = "chrome://gcm-internals/";
 const char kChromeUIHelpFrameURL[] = "chrome://help-frame/";
 const char kChromeUIHistoryURL[] = "chrome://history/";
 const char kChromeUIHistoryFrameURL[] = "chrome://history-frame/";
 const char kChromeUIIdentityInternalsURL[] = "chrome://identity-internals/";
 const char kChromeUIInspectURL[] = "chrome://inspect/";
@@ skipping 118 matching lines @@
 const char kChromeUIDevToolsRemotePath[] = "remote";
 const char kChromeUIDNSHost[] = "dns";
 const char kChromeUIDomainReliabilityInternalsHost[] =
     "domain-reliability-internals";
 const char kChromeUIDownloadsHost[] = "downloads";
 const char kChromeUIDriveInternalsHost[] = "drive-internals";
 const char kChromeUIEditSearchEngineDialogHost[] = "editsearchengine";
 const char kChromeUIExtensionIconHost[] = "extension-icon";
 const char kChromeUIExtensionsFrameHost[] = "extensions-frame";
 const char kChromeUIExtensionsHost[] = "extensions";
+const char kChromeUIFallbackIconHost[] = "fallback-icon";
 const char kChromeUIFaviconHost[] = "favicon";
 const char kChromeUIFeedbackHost[] = "feedback";
 const char kChromeUIFlagsHost[] = "flags";
 const char kChromeUIFlashHost[] = "flash";
 const char kChromeUIGCMInternalsHost[] = "gcm-internals";
 const char kChromeUIHangHost[] = "hang";
 const char kChromeUIHelpFrameHost[] = "help-frame";
 const char kChromeUIHelpHost[] = "help";
 const char kChromeUIHistoryHost[] = "history";
 const char kChromeUIHistoryFrameHost[] = "history-frame";
@@ skipping 530 matching lines @@
     "https://support.google.com/chrome/?p=ui_mac_32bit_support";
 #else
     "";
 #endif
 #endif
 
 const char kEasyUnlockLearnMoreUrl[] =
     "https://support.google.com/chromebook/?p=easy_unlock";
 
 }  // namespace chrome