Adding a parameter that will be used to request a transparent doodle.

chrome/browser/android/logo_service.cc

 // Copyright 2014 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/android/logo_service.h"
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/image_decoder.h"
@@ skipping 107 matching lines @@
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
         BrowserThread::GetBlockingPool(), profile_->GetRequestContext(),
         std::unique_ptr<search_provider_logos::LogoDelegate>(
             new ChromeLogoDelegate())));
   }
 
   logo_tracker_->SetServerAPI(
       GetGoogleDoodleURL(profile_),
       base::Bind(&search_provider_logos::GoogleParseLogoResponse),
       base::Bind(&search_provider_logos::GoogleAppendQueryparamsToLogoURL),
-      true);
+      true,
+      false);

[Marc Treib, 2016/05/10 08:48:44]

optional nit: You could add comments saying what these are for, like
true /* wants_cta */

[atanasova, 2016/05/10 09:04:55]

Done.

   logo_tracker_->GetLogo(observer);
 }
 
 // LogoServiceFactory ---------------------------------------------------------
 
 // static
 LogoService* LogoServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<LogoService*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }
@@ skipping 10 matching lines @@
 }
 
 LogoServiceFactory::~LogoServiceFactory() {}
 
 KeyedService* LogoServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = static_cast<Profile*>(context);
   DCHECK(!profile->IsOffTheRecord());
   return new LogoService(profile);
 }