headless: Introduce a browser context

headless/lib/browser/headless_web_contents_impl.h

 // Copyright 2015 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.
 
 #ifndef HEADLESS_LIB_BROWSER_HEADLESS_WEB_CONTENTS_IMPL_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_WEB_CONTENTS_IMPL_H_
 
 #include "headless/public/headless_devtools_target.h"
 #include "headless/public/headless_web_contents.h"
 
@@ skipping 18 matching lines @@
 class HeadlessDevToolsHostImpl;
 class HeadlessBrowserImpl;
 class WebContentsObserverAdapter;
 
 class HeadlessWebContentsImpl : public HeadlessWebContents,
                                 public HeadlessDevToolsTarget {
  public:
   ~HeadlessWebContentsImpl() override;
 
   static std::unique_ptr<HeadlessWebContentsImpl> Create(
-      content::BrowserContext* context,
+      HeadlessWebContents::Builder* builder,
       aura::Window* parent_window,
-      const gfx::Size& initial_size,
       HeadlessBrowserImpl* browser);
 
   // Takes ownership of |web_contents|.
   static std::unique_ptr<HeadlessWebContentsImpl> CreateFromWebContents(
       content::WebContents* web_contents,
       HeadlessBrowserImpl* browser);
 
   // HeadlessWebContents implementation:
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
@@ skipping 27 matching lines @@
       std::unordered_map<HeadlessWebContents::Observer*,
                          std::unique_ptr<WebContentsObserverAdapter>>;
   ObserverMap observer_map_;
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessWebContentsImpl);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_WEB_CONTENTS_IMPL_H_