Add support for distilling current WebContents

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index e10cca7a9c84b3c9a7879ee32cb95ffbe2c2e348..808d8a08facdc763ef2d8b128f93ca87b0ed66e4 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -548,6 +548,10 @@
         'browser/dom_distiller/dom_distiller_service_factory.h',
         'browser/dom_distiller/lazy_dom_distiller_service.cc',
         'browser/dom_distiller/lazy_dom_distiller_service.h',
+        'browser/dom_distiller/tab_utils.cc',
+        'browser/dom_distiller/tab_utils.h',
+        'browser/dom_distiller/tab_utils_android.cc',
+        'browser/dom_distiller/tab_utils_android.h',
         'browser/download/all_download_item_notifier.cc',
         'browser/download/all_download_item_notifier.h',
         'browser/download/chrome_download_manager_delegate.cc',
@@ -3626,6 +3630,7 @@
             'android/java/src/org/chromium/chrome/browser/DevToolsServer.java',
             'android/java/src/org/chromium/chrome/browser/database/SQLiteCursor.java',
             'android/java/src/org/chromium/chrome/browser/dom_distiller/DomDistillerFeedbackReporter.java',
+            'android/java/src/org/chromium/chrome/browser/dom_distiller/DomDistillerTabUtils.java',
             'android/java/src/org/chromium/chrome/browser/favicon/FaviconHelper.java',
             'android/java/src/org/chromium/chrome/browser/FieldTrialHelper.java',
             'android/java/src/org/chromium/chrome/browser/ForeignSessionHelper.java',