Debug UI for DOM distiller supports distillation and lists articles.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index f18f52b661c367e5cc5cc7c7b9de8136b56ec3b4..bc20047a9cbf49311879520a4e9f2210d5cc2dea 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -54,7 +54,9 @@
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
+#include "components/dom_distiller/content/dom_distiller_service_factory.h"
 #include "components/dom_distiller/core/dom_distiller_constants.h"
+#include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/dom_distiller/webui/dom_distiller_ui.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
@@ -186,6 +188,21 @@ WebUIController* NewWebUI<chromeos::OobeUI>(WebUI* web_ui, const GURL& url) {
 }
 #endif
 
+// Special cases for DOM distiller.
+template<>
+WebUIController* NewWebUI<dom_distiller::DomDistillerUi>(WebUI* web_ui,
+                                                         const GURL& url) {
+  // The DomDistillerUi can not depend on components/dom_distiller/content,
+  // so inject the correct DomDistillerService from chrome/.
+  content::BrowserContext* browser_context =
+      web_ui->GetWebContents()->GetBrowserContext();
+  dom_distiller::DomDistillerService* service =
+      dom_distiller::DomDistillerServiceFactory::GetForBrowserContext(
+          browser_context);
+  // TODO(nyquist): Add real scheme.
+  return new dom_distiller::DomDistillerUi(web_ui, service, "dummy");
+}
+
 // Only create ExtensionWebUI for URLs that are allowed extension bindings,
 // hosted by actual tabs.
 bool NeedsExtensionWebUI(Profile* profile, const GURL& url) {
@@ -245,11 +262,6 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<LocalDiscoveryUI>;
   }
 #endif
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableDomDistiller) &&
-      url.host() == dom_distiller::kChromeUIDomDistillerHost) {
-    return &NewWebUI<dom_distiller::DomDistillerUI>;
-  }
   if (url.host() == chrome::kChromeUIFlagsHost)
     return &NewWebUI<FlagsUI>;
   if (url.host() == chrome::kChromeUIHistoryFrameHost)
@@ -480,6 +492,13 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<PrintPreviewUI>;
 #endif
 
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableDomDistiller)) {
+    if (url.host() == dom_distiller::kChromeUIDomDistillerHost) {
+      return &NewWebUI<dom_distiller::DomDistillerUi>;
+    }
+  }
+
   return NULL;
 }