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

extensions/browser/api/web_view/web_view_internal_api.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_VIEW_WEB_VIEW_INTERNAL_API_H_
 #define EXTENSIONS_BROWSER_API_WEB_VIEW_WEB_VIEW_INTERNAL_API_H_
 
 #include "extensions/browser/api/capture_web_contents_function.h"
 #include "extensions/browser/api/execute_code_function.h"
 #include "extensions/browser/extension_function.h"
@@ skipping 48 matching lines @@
   ~WebViewInternalExecuteCodeFunction() override;
 
   // Initialize |details_| if it hasn't already been.
   bool Init() override;
   bool ShouldInsertCSS() const override;
   bool CanExecuteScriptOnPage() override;
   // Guarded by a process ID check.
   extensions::ScriptExecutor* GetScriptExecutor() final;
   bool IsWebView() const override;
   const GURL& GetWebViewSrc() const override;
+  int GetScriptInjectionInstanceId() const override;
 
  private:
   // Contains extension resource built from path of file which is
   // specified in JSON arguments.
   extensions::ExtensionResource resource_;
 
   int guest_instance_id_;
 
   GURL guest_src_;
 
+  int script_injection_instance_id_;
+
   DISALLOW_COPY_AND_ASSIGN(WebViewInternalExecuteCodeFunction);
 };
 
 class WebViewInternalExecuteScriptFunction
     : public WebViewInternalExecuteCodeFunction {
  public:
   WebViewInternalExecuteScriptFunction();
 
  protected:
   ~WebViewInternalExecuteScriptFunction() override {}
@@ skipping 271 matching lines @@
   uint32 remove_mask_;
   // Tracks any data related or parse errors.
   bool bad_message_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewInternalClearDataFunction);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_VIEW_WEB_VIEW_INTERNAL_API_H_