[Extensions] Remove unused version of ScriptContext::CallFunction()

extensions/renderer/script_context.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_RENDERER_SCRIPT_CONTEXT_H_
 #define EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_
 
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 90 matching lines @@
   const SafeBuiltins* safe_builtins() const { return &safe_builtins_; }
 
   // Returns the ID of the extension associated with this context, or empty
   // string if there is no such extension.
   const std::string& GetExtensionID() const;
 
   // Returns the RenderFrame associated with this context. Can return NULL if
   // the context is in the process of being destroyed.
   content::RenderFrame* GetRenderFrame() const;
 
-  // Runs |function| with appropriate scopes. Doesn't catch exceptions, callers
-  // must do that if they want.
-  //
-  // USE THIS METHOD RATHER THAN v8::Function::Call WHEREVER POSSIBLE.
+  // DEPRECATED.
   v8::Local<v8::Value> CallFunction(const v8::Local<v8::Function>& function,
                                     int argc,
                                     v8::Local<v8::Value> argv[]) const;
-  v8::Local<v8::Value> CallFunction(
-      const v8::Local<v8::Function>& function) const;
 
   // Safely calls the v8::Function, respecting the page load deferrer and
   // possibly executing asynchronously.
+  // Doesn't catch exceptions; callers must do that if they want.
+  // USE THIS METHOD RATHER THAN v8::Function::Call WHEREVER POSSIBLE.
   // TODO(devlin): Remove the above variants in favor of this.
   void SafeCallFunction(const v8::Local<v8::Function>& function,
                         int argc,
                         v8::Local<v8::Value> argv[]);
 
   void DispatchEvent(const char* event_name, v8::Local<v8::Array> args) const;
 
   // Returns the availability of the API |api_name|.
   Feature::Availability GetAvailability(const std::string& api_name);
 
@@ skipping 132 matching lines @@
   std::unique_ptr<Runner> runner_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContext);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_