Refactoring: de-couple Extensions from "script injection System" [render side] : 1

chrome/browser/extensions/api/tabs/tabs_api.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_EXTENSIONS_API_TABS_TABS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 215 matching lines @@
   // ExtensionFunction:
   bool HasPermission() override;
 
   // Initialize the |execute_tab_id_| and |details_| if they haven't already
   // been. Returns whether initialization was successful.
   bool Init() override;
   bool CanExecuteScriptOnPage() override;
   ScriptExecutor* GetScriptExecutor() override;
   bool IsWebView() const override;
   const GURL& GetWebViewSrc() const override;
+  int GetScriptInjectionInstanceId() const override;
 
  private:
   const ChromeExtensionFunctionDetails chrome_details_;
 
   // Id of tab which executes code.
   int execute_tab_id_;
 };
 
 class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {
  protected:
@@ skipping 63 matching lines @@
   ~TabsGetZoomSettingsFunction() override {}
 
   bool RunAsync() override;
 
   DECLARE_EXTENSION_FUNCTION("tabs.getZoomSettings", TABS_GETZOOMSETTINGS)
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_