Add support for multipage distillation.

components/dom_distiller/content/distiller_page_web_contents_browsertest.cc

 // 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.
 
 #include "base/run_loop.h"
 #include "base/values.h"
 #include "components/dom_distiller/content/distiller_page_web_contents.h"
 #include "components/dom_distiller/core/distiller_page.h"
 #include "content/public/browser/browser_context.h"
 #include "content/shell/browser/shell.h"
@@ skipping 30 matching lines @@
   void DistillPage(const base::Closure& quit_closure, const std::string& url) {
     quit_closure_ = quit_closure;
     distiller_page_->LoadURL(
         embedded_test_server()->GetURL(url));
   }
 
   virtual void OnLoadURLDone() OVERRIDE {
     distiller_page_->ExecuteJavaScript(kScript);
   }
 
-  virtual void OnExecuteJavaScriptDone(const base::Value* value) OVERRIDE {
+  virtual void OnExecuteJavaScriptDone(const GURL& page_url,
+                                       const base::Value* value) OVERRIDE {
     value_ = value->DeepCopy();
     quit_closure_.Run();
   }
 
  protected:
   DistillerPageWebContents* distiller_page_;
   base::Closure quit_closure_;
   const base::Value* value_;
 };
 
@@ skipping 15 matching lines @@
   ASSERT_EQ(kTitle, title);
   std::string html;
   result_list->GetString(1, &html);
   ASSERT_EQ(kHtml, html);
   std::string image_url;
   result_list->GetString(2, &image_url);
   ASSERT_EQ(kImageUrl, image_url);
 }
 
 }  // namespace dom_distiller