Disable chrome://downloads ui for Android.

On Android we use the native download manager (and this is causing link
errors).

BUG=117407
TEST=


Review URL: http://codereview.chromium.org/9689058

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126881 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

@@ -179,8 +179,6 @@ WebUIFactoryFunction GetWebUIFactoryFunction(content::WebUI* web_ui,
     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)
@@ -230,7 +228,10 @@ WebUIFactoryFunction GetWebUIFactoryFunction(content::WebUI* web_ui,
    * 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)
@@ -473,9 +474,6 @@ RefCountedMemory* ChromeWebUIControllerFactory::GetFaviconResourceBytes(
   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();
 
@@ -489,6 +487,10 @@ RefCountedMemory* ChromeWebUIControllerFactory::GetFaviconResourceBytes(
     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();

chrome/chrome_browser.gypi

@@ -4467,6 +4467,7 @@
             ['exclude', '^browser/ui/panels/'],
             ['exclude', '^browser/ui/tabs/'],
             ['exclude', '^browser/ui/toolbar/'],
+            ['exclude', '^browser/ui/webui/downloads_'],
             ['exclude', '^browser/ui/webui/options'],
             ['exclude', '^browser/ui/webui/options2'],
             ['exclude', '^browser/ui/webui/print_preview/'],