Enable right clicking on the applist doodle web contents and log the data.

chrome/browser/ui/app_list/start_page_service.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 "chrome/browser/ui/app_list/start_page_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 612 matching lines @@
   doodle_fetcher_.reset(
       net::URLFetcher::Create(0, doodle_url, net::URLFetcher::GET, this));
   doodle_fetcher_->SetRequestContext(profile_->GetRequestContext());
   doodle_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
   doodle_fetcher_->Start();
 }
 
 void StartPageService::OnURLFetchComplete(const net::URLFetcher* source) {
   std::string json_data;
   source->GetResponseAsString(&json_data);
+  VLOG(1) << "App list doodle data = " << json_data;

[Matt Giuca, 2015/02/26 03:07:08]

// TODO(calamity): Remove this log after http://crbug.com/462082 is diagnosed.

[calamity, 2015/02/26 03:27:25]

Changed to a warning log of crashed renderer instead as discussed.

 
   // Remove XSSI guard for JSON parsing.
   size_t json_start_index = json_data.find("{");
   base::StringPiece json_data_substr(json_data);
   if (json_start_index != std::string::npos)
     json_data_substr.remove_prefix(json_start_index);
 
   JSONStringValueSerializer deserializer(json_data_substr);
   deserializer.set_allow_trailing_comma(true);
   int error_code = 0;
@@ skipping 24 matching lines @@
 
   // Check for a new doodle.
   content::BrowserThread::PostDelayedTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&StartPageService::FetchDoodleJson,
                  weak_factory_.GetWeakPtr()),
       recheck_delay);
 }
 
 }  // namespace app_list