Debug UI for DOM distiller supports distillation and lists articles.

This adds functionality to trigger distillation of web pages from the
debug UI and also lists the current set of articles.

BUG=319881

Review URL: https://codereview.chromium.org/105623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239168 0039d316-1c4b-4281-b951-d872f2087c98

13 files changed, 252 insertions, 64 deletions

diff --git a/build/ios/grit_whitelist.txt b/build/ios/grit_whitelist.txt
index 1eb4eac..b374986 100644
--- a/build/ios/grit_whitelist.txt
+++ b/build/ios/grit_whitelist.txt
@@ -246,6 +246,12 @@ IDS_DELETE
 IDS_DISABLE_TOUCH_ADJUSTMENT_DESCRIPTION
 IDS_DISABLE_TOUCH_ADJUSTMENT_NAME
 IDS_DOM_DISTILLER_TITLE
+IDS_DOM_DISTILLER_WEBUI_ENTRY_ADD
+IDS_DOM_DISTILLER_WEBUI_ENTRY_ADD_FAILED
+IDS_DOM_DISTILLER_WEBUI_ENTRY_URL
+IDS_DOM_DISTILLER_WEBUI_FETCHING_ENTRIES
+IDS_DOM_DISTILLER_WEBUI_REFRESH
+IDS_DOM_DISTILLER_WEBUI_TITLE
 IDS_DONE
 IDS_EDIT_FIND_MAC
 IDS_EMPTY_KEYWORD_VALUE
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 c20609c..fa712adb 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -11,6 +11,7 @@
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
+#include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
 #include "chrome/browser/history/history_types.h"
@@ -56,6 +57,7 @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.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"
@@ -187,6 +189,21 @@ 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) {
@@ -246,10 +263,6 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<LocalDiscoveryUI>;
   }
 #endif
-  if (IsEnableDomDistillerSet() &&
-      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 +493,11 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<PrintPreviewUI>;
 #endif
 
+  if (IsEnableDomDistillerSet() &&
+      url.host() == dom_distiller::kChromeUIDomDistillerHost) {
+    return &NewWebUI<dom_distiller::DomDistillerUi>;
+  }
+
   return NULL;
 }
 
diff --git a/components/dom_distiller.gypi b/components/dom_distiller.gypi
index f3c695a..ddc7b2e 100644
--- a/components/dom_distiller.gypi
+++ b/components/dom_distiller.gypi
@@ -11,20 +11,22 @@
           'type': 'static_library',
           'dependencies': [
             'component_strings.gyp:component_strings',
+            'distilled_page_proto',
             'dom_distiller_core',
             'dom_distiller_resources',
             '../base/base.gyp:base',
             '../content/content.gyp:content_browser',
             '../skia/skia.gyp:skia',
+            '../sync/sync.gyp:sync',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
-            'dom_distiller/webui/dom_distiller_ui.cc',
-            'dom_distiller/webui/dom_distiller_ui.h',
             'dom_distiller/webui/dom_distiller_handler.cc',
             'dom_distiller/webui/dom_distiller_handler.h',
+            'dom_distiller/webui/dom_distiller_ui.cc',
+            'dom_distiller/webui/dom_distiller_ui.h',
           ],
         },
         {
diff --git a/components/dom_distiller/core/distiller.cc b/components/dom_distiller/core/distiller.cc
index 7d044eb..84b8a05 100644
--- a/components/dom_distiller/core/distiller.cc
+++ b/components/dom_distiller/core/distiller.cc
@@ -30,8 +30,10 @@ DistillerFactoryImpl::DistillerFactoryImpl(
 DistillerFactoryImpl::~DistillerFactoryImpl() {}
 
 scoped_ptr<Distiller> DistillerFactoryImpl::CreateDistiller() {
-  return scoped_ptr<Distiller>(new DistillerImpl(
+  scoped_ptr<DistillerImpl> distiller(new DistillerImpl(
       *distiller_page_factory_, *distiller_url_fetcher_factory_));
+  distiller->Init();
+  return distiller.PassAs<Distiller>();
 }
 
 DistillerImpl::DistillerImpl(
diff --git a/components/dom_distiller/core/task_tracker.cc b/components/dom_distiller/core/task_tracker.cc
index 5a6cd7c..ac06407 100644
--- a/components/dom_distiller/core/task_tracker.cc
+++ b/components/dom_distiller/core/task_tracker.cc
@@ -36,7 +36,7 @@ void TaskTracker::StartDistiller(DistillerFactory* factory) {
   GURL url(entry_.pages(0).url());
   DCHECK(url.is_valid());
 
-  distiller_ = factory->CreateDistiller().Pass();
+  distiller_ = factory->CreateDistiller();
   distiller_->DistillPage(url,
                           base::Bind(&TaskTracker::OnDistilledDataReady,
                                      weak_ptr_factory_.GetWeakPtr()));
diff --git a/components/dom_distiller/webui/dom_distiller_handler.cc b/components/dom_distiller/webui/dom_distiller_handler.cc
index c05cc0d..6202de7 100644
--- a/components/dom_distiller/webui/dom_distiller_handler.cc
+++ b/components/dom_distiller/webui/dom_distiller_handler.cc
@@ -6,12 +6,18 @@
 
 #include "base/bind.h"
 #include "base/values.h"
+#include "components/dom_distiller/core/dom_distiller_service.h"
+#include "components/dom_distiller/core/proto/distilled_page.pb.h"
 #include "content/public/browser/web_ui.h"
+#include "url/gurl.h"
 
 namespace dom_distiller {
 
-DomDistillerHandler::DomDistillerHandler()
-    : weak_ptr_factory_(this) {
+DomDistillerHandler::DomDistillerHandler(DomDistillerService* service,
+                                         const std::string& scheme)
+    : weak_ptr_factory_(this),
+      service_(service) {
+  article_scheme_ = scheme;
 }
 
 DomDistillerHandler::~DomDistillerHandler() {}
@@ -21,22 +27,49 @@ void DomDistillerHandler::RegisterMessages() {
       "requestEntries",
       base::Bind(&DomDistillerHandler::HandleRequestEntries,
       base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "addArticle",
+      base::Bind(&DomDistillerHandler::HandleAddArticle,
+      base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "selectArticle",
+      base::Bind(&DomDistillerHandler::HandleSelectArticle,
+      base::Unretained(this)));
+}
+
+void DomDistillerHandler::HandleAddArticle(const ListValue* args) {
+  std::string url;
+  args->GetString(0, &url);
+  GURL gurl(url);
+  if (gurl.is_valid())
+    service_->AddToList(gurl);
+  else
+    web_ui()->CallJavascriptFunction("domDistiller.onArticleAddFailed");
+}
+
+void DomDistillerHandler::HandleSelectArticle(const ListValue* args) {
+  std::string entry_id;
+  args->GetString(0, &entry_id);
+
+  // TODO(nyquist): Do something here.
 }
 
 void DomDistillerHandler::HandleRequestEntries(const ListValue* args) {
   base::ListValue entries;
-
-  // Add some temporary placeholder entries.
-  scoped_ptr<base::DictionaryValue> entry1(new base::DictionaryValue());
-  entry1->SetString("title", "Google");
-  entry1->SetString("url", "http://www.google.com/");
-  entries.Append(entry1.release());
-  scoped_ptr<base::DictionaryValue> entry2(new base::DictionaryValue());
-  entry2->SetString("title", "Chrome");
-  entry2->SetString("url", "http://www.chrome.com/");
-  entries.Append(entry2.release());
-
-  web_ui()->CallJavascriptFunction("onGotEntries", entries);
+  const std::vector<ArticleEntry>& entries_specifics = service_->GetEntries();
+  for (std::vector<ArticleEntry>::const_iterator it = entries_specifics.begin();
+       it != entries_specifics.end();
+       ++it) {
+    const ArticleEntry& article = *it;
+    DCHECK(IsEntryValid(article));
+    scoped_ptr<base::DictionaryValue> entry(new base::DictionaryValue());
+    entry->SetString("entry_id", article.entry_id());
+    std::string title = (!article.has_title() || article.title().empty()) ?
+        article.entry_id() : article.title();
+    entry->SetString("title", title);
+    entries.Append(entry.release());
+  }
+  web_ui()->CallJavascriptFunction("domDistiller.onReceivedEntries", entries);
 }
 
 }  // namespace dom_distiller
diff --git a/components/dom_distiller/webui/dom_distiller_handler.h b/components/dom_distiller/webui/dom_distiller_handler.h
index 2af6d34..faf251c 100644
--- a/components/dom_distiller/webui/dom_distiller_handler.h
+++ b/components/dom_distiller/webui/dom_distiller_handler.h
@@ -5,31 +5,49 @@
 #ifndef COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_HANDLER_H_
 #define COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_HANDLER_H_
 
-#include <vector>
-
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 namespace dom_distiller {
 
-// Handler class for DOM Distiller page operations.
+class DomDistillerService;
+
+// Handler class for DOM Distiller list operations.
 class DomDistillerHandler : public content::WebUIMessageHandler {
  public:
-  DomDistillerHandler();
+  // The lifetime of |service| has to outlive this handler.
+  DomDistillerHandler(DomDistillerService* service,
+                      const std::string& scheme);
   virtual ~DomDistillerHandler();
 
   // content::WebUIMessageHandler implementation.
   virtual void RegisterMessages() OVERRIDE;
 
-  // Callback for the "requestEntries" message. This synchronously requests the
-  // list of entries and returns it to the front end.
-  virtual void HandleRequestEntries(const ListValue* args);
+  // Callback from JavaScript for the "requestEntries" message. This
+  // requests the list of entries and returns it to the front end by calling
+  // "onReceivedEntries". There are no JavaScript arguments to this method.
+  void HandleRequestEntries(const ListValue* args);
+
+  // Callback from JavaScript for when an article should be added. The first
+  // element in |args| should be a string representing the URL to be added.
+  void HandleAddArticle(const ListValue* args);
+
+  // Callback from JavaScript for when an article is selected. The first element
+  // in |args| should be a string representing the ID of the entry to be
+  // selected.
+  void HandleSelectArticle(const ListValue* args);
 
  private:
   // Factory for the creating refs in callbacks.
   base::WeakPtrFactory<DomDistillerHandler> weak_ptr_factory_;
 
+  // The DomDistillerService.
+  DomDistillerService* service_;
+
+  // The scheme for DOM distiller articles.
+  std::string article_scheme_;
+
   DISALLOW_COPY_AND_ASSIGN(DomDistillerHandler);
 };
 
diff --git a/components/dom_distiller/webui/dom_distiller_ui.cc b/components/dom_distiller/webui/dom_distiller_ui.cc
index e141843..807a6b3 100644
--- a/components/dom_distiller/webui/dom_distiller_ui.cc
+++ b/components/dom_distiller/webui/dom_distiller_ui.cc
@@ -5,6 +5,7 @@
 #include "components/dom_distiller/webui/dom_distiller_ui.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_handler.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/web_contents.h"
@@ -15,7 +16,9 @@
 
 namespace dom_distiller {
 
-DomDistillerUI::DomDistillerUI(content::WebUI* web_ui)
+DomDistillerUi::DomDistillerUi(content::WebUI* web_ui,
+                               DomDistillerService* service,
+                               const std::string& scheme)
     : content::WebUIController(web_ui) {
   // Set up WebUIDataSource.
   content::WebUIDataSource* source =
@@ -27,16 +30,28 @@ DomDistillerUI::DomDistillerUI(content::WebUI* web_ui)
                           IDR_ABOUT_DOM_DISTILLER_JS);
 
   source->SetUseJsonJSFormatV2();
-  source->AddLocalizedString("domDistillerTitle", IDS_DOM_DISTILLER_TITLE);
+  source->AddLocalizedString("domDistillerTitle",
+      IDS_DOM_DISTILLER_WEBUI_TITLE);
+  source->AddLocalizedString("addArticleUrl",
+      IDS_DOM_DISTILLER_WEBUI_ENTRY_URL);
+  source->AddLocalizedString("addArticleAddButtonLabel",
+      IDS_DOM_DISTILLER_WEBUI_ENTRY_ADD);
+  source->AddLocalizedString("addArticleFailedLabel",
+      IDS_DOM_DISTILLER_WEBUI_ENTRY_ADD_FAILED);
+  source->AddLocalizedString("loadingEntries",
+      IDS_DOM_DISTILLER_WEBUI_FETCHING_ENTRIES);
+  source->AddLocalizedString("refreshButtonLabel",
+      IDS_DOM_DISTILLER_WEBUI_REFRESH);
+
   content::BrowserContext* browser_context =
       web_ui->GetWebContents()->GetBrowserContext();
   content::WebUIDataSource::Add(browser_context, source);
   source->SetJsonPath("strings.js");
 
   // Add message handler.
-  web_ui->AddMessageHandler(new DomDistillerHandler());
+  web_ui->AddMessageHandler(new DomDistillerHandler(service, scheme));
 }
 
-DomDistillerUI::~DomDistillerUI() {}
+DomDistillerUi::~DomDistillerUi() {}
 
 }  // namespace dom_distiller
diff --git a/components/dom_distiller/webui/dom_distiller_ui.h b/components/dom_distiller/webui/dom_distiller_ui.h
index 1b9f1c2..12b14bf 100644
--- a/components/dom_distiller/webui/dom_distiller_ui.h
+++ b/components/dom_distiller/webui/dom_distiller_ui.h
@@ -2,21 +2,25 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_H_
-#define COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_H_
+#ifndef COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_UI_H_
+#define COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_UI_H_
 
 #include "content/public/browser/web_ui_controller.h"
 
 namespace dom_distiller {
 
-// The WebUI handler for chrome://dom-distiller.
-class DomDistillerUI : public content::WebUIController {
+class DomDistillerService;
+
+// The WebUI controller for chrome://dom-distiller.
+class DomDistillerUi : public content::WebUIController {
  public:
-  explicit DomDistillerUI(content::WebUI* web_ui);
-  virtual ~DomDistillerUI();
+  DomDistillerUi(content::WebUI* web_ui,
+                 DomDistillerService* service,
+                 const std::string& scheme);
+  virtual ~DomDistillerUi();
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(DomDistillerUI);
+  DISALLOW_COPY_AND_ASSIGN(DomDistillerUi);
 };
 
 }  // namespace dom_distiller
diff --git a/components/dom_distiller/webui/resources/about_dom_distiller.css b/components/dom_distiller/webui/resources/about_dom_distiller.css
index 088136a..065ad72 100644
--- a/components/dom_distiller/webui/resources/about_dom_distiller.css
+++ b/components/dom_distiller/webui/resources/about_dom_distiller.css
@@ -6,3 +6,7 @@
 a:visited {
   color: orange;
 }
+
+.hidden {
+  visibility: hidden;
+}
diff --git a/components/dom_distiller/webui/resources/about_dom_distiller.html b/components/dom_distiller/webui/resources/about_dom_distiller.html
index 5674036..474868e 100644
--- a/components/dom_distiller/webui/resources/about_dom_distiller.html
+++ b/components/dom_distiller/webui/resources/about_dom_distiller.html
@@ -1,4 +1,9 @@
 <!DOCTYPE HTML>
+<!--
+Copyright 2013 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.
+-->
 <html>
 <head>
   <meta charset="utf-8">
@@ -18,11 +23,29 @@
   <script src="strings.js"></script>
 </head>
 <body>
-  <header>
-    <h1 i18n-content="domDistillerTitle"></h1>
-  </header>
-  <div id="entries-section">
-    <div id="entries-list"></div>
+  <div id="mainContent">
+    <div id="list-section">
+    <header>
+      <h1 id="listTitle" i18n-content="domDistillerTitle"></h1>
+    </header>
+      <div id="add-entry">
+        <form>
+          <label for="article_url" i18n-content="addArticleUrl"></label>
+          <input type="text" id="article_url" />
+          <br/>
+          <button id="addbutton" i18n-content="addArticleAddButtonLabel"></button>
+        </form>
+        <span id="add-entry-error" i18n-content="addArticleFailedLabel"></span>
+      </div>
+      <div id="update-list">
+        <form>
+          <button id="refreshbutton" i18n-content="refreshButtonLabel"></button>
+          <span id="entries-list-loading" i18n-content="loadingEntries"></span>
+        </form>
+      </div>
+      <ul id="entries-list">
+      </ul>
+    </div>
   </div>
   <script src="chrome://resources/js/i18n_template2.js"></script>
   <script src="chrome://resources/js/jstemplate_compiled.js"></script>
diff --git a/components/dom_distiller/webui/resources/about_dom_distiller.js b/components/dom_distiller/webui/resources/about_dom_distiller.js
index f558d7f..4a401a9 100644
--- a/components/dom_distiller/webui/resources/about_dom_distiller.js
+++ b/components/dom_distiller/webui/resources/about_dom_distiller.js
@@ -2,31 +2,76 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-/**
- * Callback from the backend with the list of entries to display.
- * This call will build the entries section of the DOM distiller page, or hide
- * that section if there are none to display.
- * @param {!Array.<string>} entries The entries.
- */
-function onGotEntries(entries) {
-  $('entries-section').hidden = !entries.length;
-  if (entries.length > 0) {
-    var list = document.createElement('ul');
+var domDistiller = {
+  /**
+   * Callback from the backend with the list of entries to display.
+   * This call will build the entries section of the DOM distiller page, or hide
+   * that section if there are none to display.
+   * @param {!Array.<string>} entries The entries.
+   */
+  onReceivedEntries: function(entries) {
+    $('entries-list-loading').classList.add('hidden');
+    if (!entries.length) $('entries-list').classList.add('hidden');
+
+    var list = $('entries-list');
+    domDistiller.removeAllChildren(list);
     for (var i = 0; i < entries.length; i++) {
       var listItem = document.createElement('li');
       var link = document.createElement('a');
+      var entry_id = entries[i].entry_id;
+      link.setAttribute('id', 'entry-' + entry_id);
+      link.setAttribute('href', '#');
       link.innerText = entries[i].title;
-      link.setAttribute('href', entries[i].url);
+      link.addEventListener('click', function(event) {
+        domDistiller.onSelectArticle(event.target.id.substr("entry-".length));
+      }, true);
       listItem.appendChild(link);
       list.appendChild(listItem);
     }
-    $('entries-list').appendChild(list);
-  }
-}
+  },
+
+  /**
+   * Callback from the backend when adding an article failed.
+   */
+  onArticleAddFailed: function() {
+    $('add-entry-error').classList.remove('hidden');
+  },
+
+  removeAllChildren: function(root) {
+    while(root.firstChild) {
+      root.removeChild(root.firstChild);
+    }
+  },
+
+  onAddArticle: function() {
+    $('add-entry-error').classList.add('hidden');
+    var url = $('article_url').value;
+    chrome.send('addArticle', [url]);
+  },
+
+  onSelectArticle: function(articleId) {
+    chrome.send('selectArticle', [articleId]);
+  },
+
+  /* All the work we do on load. */
+  onLoadWork: function() {
+    $('list-section').classList.remove('hidden');
+    $('entries-list-loading').classList.add('hidden');
+    $('add-entry-error').classList.add('hidden');
+
+    $('refreshbutton').addEventListener('click', function(event) {
+      domDistiller.onRequestEntries();
+    }, false);
+    $('addbutton').addEventListener('click', function(event) {
+      domDistiller.onAddArticle();
+    }, false);
+    domDistiller.onRequestEntries();
+  },
 
-/* All the work we do on load. */
-function onLoadWork() {
-  chrome.send('requestEntries');
+  onRequestEntries: function() {
+    $('entries-list-loading').classList.remove('hidden');
+    chrome.send('requestEntries');
+  },
 }
 
-document.addEventListener('DOMContentLoaded', onLoadWork);
+document.addEventListener('DOMContentLoaded', domDistiller.onLoadWork);
diff --git a/components/dom_distiller_strings.grdp b/components/dom_distiller_strings.grdp
index 3d81fae..3c9dca7 100644
--- a/components/dom_distiller_strings.grdp
+++ b/components/dom_distiller_strings.grdp
@@ -1,8 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
 
-  <message name="IDS_DOM_DISTILLER_TITLE" desc="The title to show on the DOM Distiller debug page.">
+  <message name="IDS_DOM_DISTILLER_WEBUI_TITLE" desc="The title to show on the DOM Distiller debug page.">
     DOM Distiller
   </message>
+  <message name="IDS_DOM_DISTILLER_WEBUI_ENTRY_TITLE" desc="The label for the title of an entry on the DOM Distiller debug page.">
+    Title
+  </message>
+  <message name="IDS_DOM_DISTILLER_WEBUI_ENTRY_URL" desc="The label for the URL of an entry on the DOM Distiller debug page.">
+    URL
+  </message>
+  <message name="IDS_DOM_DISTILLER_WEBUI_ENTRY_ADD" desc="The label for for the button for adding a new entry on the DOM Distiller debug page.">
+    Add
+  </message>
+  <message name="IDS_DOM_DISTILLER_WEBUI_ENTRY_ADD_FAILED" desc="The label to show when adding an article failed on the DOM Distiller debug page.">
+    Failed to add article.
+  </message>
+  <message name="IDS_DOM_DISTILLER_WEBUI_REFRESH" desc="The label for the button for refreshing the list of entries on the DOM Distiller debug page.">
+    Refresh
+  </message>
+  <message name="IDS_DOM_DISTILLER_WEBUI_FETCHING_ENTRIES" desc="The text to show while fetching the list of entries on the DOM Distiller debug page.">
+    Fetching entries...
+  </message>
 
 </grit-part>