Devtools: Add screenshot button to device mode toolbar.

chrome/browser/devtools/devtools_window.h

 // Copyright (c) 2012 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 CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_
 
 #include "base/macros.h"
 #include "chrome/browser/devtools/devtools_contents_resizing_strategy.h"
 #include "chrome/browser/devtools/devtools_toggle_action.h"
@@ skipping 188 matching lines @@
   static bool HasFiredBeforeUnloadEventForDevToolsBrowser(Browser* browser);
 
   // Returns true if devtools window would like to hook beforeunload event
   // of this |contents|.
   static bool NeedsToInterceptBeforeUnload(content::WebContents* contents);
 
   // Notify devtools window that closing of |contents| was cancelled
   // by user.
   static void OnPageCloseCanceled(content::WebContents* contents);
 
+  content::WebContents* GetInspectedWebContents();
+
  private:
   friend class DevToolsWindowTesting;
   friend class DevToolsWindowCreationObserver;
 
   using CreationCallback = base::Callback<void(DevToolsWindow*)>;
   static void AddCreationCallbackForTest(const CreationCallback& callback);
   static void RemoveCreationCallbackForTest(const CreationCallback& callback);
 
   // DevTools lifecycle typically follows this way:
   // - Toggle/Open: client call;
@@ skipping 93 matching lines @@
   void RenderProcessGone(bool crashed) override;
 
   void CreateDevToolsBrowser();
   BrowserWindow* GetInspectedBrowserWindow();
   void ScheduleShow(const DevToolsToggleAction& action);
   void Show(const DevToolsToggleAction& action);
   void DoAction(const DevToolsToggleAction& action);
   void LoadCompleted();
   void UpdateBrowserToolbar();
   void UpdateBrowserWindow();
-  content::WebContents* GetInspectedWebContents();
 
   scoped_ptr<ObserverWithAccessor> inspected_contents_observer_;
 
   Profile* profile_;
   content::WebContents* main_web_contents_;
   content::WebContents* toolbox_web_contents_;
   DevToolsUIBindings* bindings_;
   Browser* browser_;
   bool is_docked_;
   const bool can_dock_;
   LifeStage life_stage_;
   DevToolsToggleAction action_on_load_;
   DevToolsContentsResizingStrategy contents_resizing_strategy_;
   // True if we're in the process of handling a beforeunload event originating
   // from the inspected webcontents, see InterceptPageBeforeUnload for details.
   bool intercepted_page_beforeunload_;
   base::Closure load_completed_callback_;
   base::Closure close_callback_;
   bool ready_for_test_;
   base::Closure ready_for_test_callback_;
 
   base::TimeTicks inspect_element_start_time_;
   scoped_ptr<DevToolsEventForwarder> event_forwarder_;
 
   friend class DevToolsEventForwarder;
   DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_