Disable chrome://downloads ui for Android.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.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/browser/ui/webui/chrome_web_ui_controller_factory.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 162 matching lines @@
   if (url.host() == chrome::kChromeUICloudPrintSetupHost)
     return &NewWebUI<HtmlDialogUI>;
   if (url.spec() == chrome::kChromeUIConstrainedHTMLTestURL)
     return &NewWebUI<ConstrainedHtmlUI>;
   if (url.host() == chrome::kChromeUICrashesHost)
     return &NewWebUI<CrashesUI>;
   if (url.host() == chrome::kChromeUIDevToolsHost)
     return &NewWebUI<DevToolsUI>;
   if (url.host() == chrome::kChromeUIDialogHost)
     return &NewWebUI<ConstrainedHtmlUI>;
-  if (url.host() == chrome::kChromeUIDownloadsHost)
-    return &NewWebUI<DownloadsUI>;
   if (url.host() == chrome::kChromeUIExtensionsFrameHost)
     return &NewWebUI<ExtensionsUI>;
   if (url.host() == chrome::kChromeUIFeedbackHost)
     return &NewWebUI<FeedbackUI>;
   if (url.host() == chrome::kChromeUIFlagsHost)
     return &NewWebUI<FlagsUI>;
   if (url.host() == chrome::kChromeUIFlashHost)
     return &NewWebUI<FlashUI>;
   if (url.host() == chrome::kChromeUIGpuInternalsHost)
     return &NewWebUI<GpuInternalsUI>;
@@ skipping 29 matching lines @@
     return &NewWebUI<UberFrameUI>;
   if (url.host() == chrome::kChromeUIUberHost)
     return &NewWebUI<UberUI>;
   if (url.host() == chrome::kChromeUIWorkersHost)
     return &NewWebUI<WorkersUI>;
 
   /****************************************************************************
    * OS Specific #defines
    ***************************************************************************/
 #if !defined(OS_ANDROID)
-  // Android doesn't use the Options/Options2 pages
+  // Android uses the native download manager.
+  if (url.host() == chrome::kChromeUIDownloadsHost)
+    return &NewWebUI<DownloadsUI>;
+  // Android doesn't use the Options/Options2 pages.
   if (url.host() == chrome::kChromeUISettingsFrameHost)
     return &NewWebUI<options2::OptionsUI>;
   if (url.host() == chrome::kChromeUISettingsHost)
     return &NewWebUI<OptionsUI>;
 #endif
 #if defined(OS_WIN)
   if (url.host() == chrome::kChromeUIConflictsHost)
     return &NewWebUI<ConflictsUI>;
 #endif
 #if (defined(USE_NSS) || defined(USE_OPENSSL)) && defined(USE_AURA)
@@ skipping 224 matching lines @@
     return NULL;
 
 #if defined(OS_WIN)
   if (page_url.host() == chrome::kChromeUIConflictsHost)
     return ConflictsUI::GetFaviconResourceBytes();
 #endif
 
   if (page_url.host() == chrome::kChromeUICrashesHost)
     return CrashesUI::GetFaviconResourceBytes();
 
-  if (page_url.host() == chrome::kChromeUIDownloadsHost)
-    return DownloadsUI::GetFaviconResourceBytes();
-
   if (page_url.host() == chrome::kChromeUIHistoryHost)
     return HistoryUI::GetFaviconResourceBytes();
 
   if (page_url.host() == chrome::kChromeUIFlagsHost)
     return FlagsUI::GetFaviconResourceBytes();
 
   if (page_url.host() == chrome::kChromeUISessionsHost)
     return SessionsUI::GetFaviconResourceBytes();
 
   if (page_url.host() == chrome::kChromeUIFlashHost)
     return FlashUI::GetFaviconResourceBytes();
 
 #if !defined(OS_ANDROID)
+  // Android uses the native download manager
+  if (page_url.host() == chrome::kChromeUIDownloadsHost)
+    return DownloadsUI::GetFaviconResourceBytes();
+
   // Android doesn't use the Options/Options2 pages
   if (page_url.host() == chrome::kChromeUISettingsHost)
     return OptionsUI::GetFaviconResourceBytes();
 
   if (page_url.host() == chrome::kChromeUISettingsFrameHost)
     return options2::OptionsUI::GetFaviconResourceBytes();
 #endif
 
   if (page_url.host() == chrome::kChromeUIPluginsHost)
     return PluginsUI::GetFaviconResourceBytes();
 
   return NULL;
 }