Revert 272611 "Add support for distilling current WebContents"

trunk/src/chrome/browser/ui/tab_helpers.cc

Index: trunk/src/chrome/browser/ui/tab_helpers.cc
===================================================================
--- trunk/src/chrome/browser/ui/tab_helpers.cc	(revision 272703)
+++ trunk/src/chrome/browser/ui/tab_helpers.cc	(working copy)
@@ -29,7 +29,6 @@
 #include "chrome/common/chrome_switches.h"
 #include "components/autofill/content/browser/content_autofill_driver.h"
 #include "components/autofill/core/browser/autofill_manager.h"
-#include "components/dom_distiller/content/web_contents_main_frame_observer.h"
 #include "components/password_manager/core/browser/password_manager.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/view_type_utils.h"
@@ -190,12 +189,6 @@
 #endif  // defined(ENABLE_FULL_PRINTING)
 #endif  // defined(ENABLE_PRINTING) && !defined(OS_ANDROID)
 
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableDomDistiller)) {
-    dom_distiller::WebContentsMainFrameObserver::CreateForWebContents(
-        web_contents);
-  }
-
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   // If this is not an incognito window, setup to handle one-click login.
   // We don't want to check that the profile is already connected at this time