Hook up new distillability signal to DistillablePageUtils

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 3d815b12700a504dff8e384297d232fe6a98bf1a..713515ea9c520c8b4080888a8e0d7679570fe307 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -58,6 +58,7 @@
 #include "components/autofill/content/renderer/password_generation_agent.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
+#include "components/dom_distiller/content/renderer/distillability_agent.h"
 #include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
 #include "components/dom_distiller/core/url_constants.h"
 #include "components/nacl/renderer/ppb_nacl_private.h"
@@ -525,6 +526,8 @@ void ChromeContentRendererClient::RenderFrameCreated(
   new dom_distiller::DistillerJsRenderFrameObserver(
       render_frame, chrome::ISOLATED_WORLD_ID_CHROME_INTERNAL);
 
+  new dom_distiller::DistillabilityAgent(render_frame);

[mdjones, 2015/11/05 01:09:12]

Nit: Add a comment describing why this is needed.

[wychen, 2015/11/12 05:39:28]

Done.

+
   PasswordAutofillAgent* password_autofill_agent =
       new PasswordAutofillAgent(render_frame);
   PasswordGenerationAgent* password_generation_agent =