Improve GN public header file checking

tools/gn/input_file_manager.h

 // Copyright (c) 2013 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 TOOLS_GN_INPUT_FILE_MANAGER_H_
 #define TOOLS_GN_INPUT_FILE_MANAGER_H_
 
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 61 matching lines @@
   // code is responsible for populating these values and maintaining
   // threadsafety. This class' only job is to hold onto the memory and delete
   // it when the program exits.
   //
   // This solves the problem that sometimes we need to execute something
   // dynamic and save the result, but the values all have references to the
   // nodes and file that created it. Either we need to reset the origin of
   // the values and lose context for error reporting, or somehow keep the
   // associated parse nodes, tokens, and file data in memory. This function
   // allows the latter.
-  void AddDynamicInput(InputFile** file,
+  void AddDynamicInput(const SourceFile& name,
+                       InputFile** file,
                        std::vector<Token>** tokens,
                        scoped_ptr<ParseNode>** parse_root);
 
   // Does not count dynamic input.
   int GetInputFileCount() const;
 
   // Fills the vector with all input files.
   void GetAllPhysicalInputFileNames(std::vector<base::FilePath>* result) const;
 
  private:
@@ skipping 52 matching lines @@
   //
   // See AddDynamicInput().
   //
   // Owning pointers.
   std::vector<InputFileData*> dynamic_inputs_;
 
   DISALLOW_COPY_AND_ASSIGN(InputFileManager);
 };
 
 #endif  // TOOLS_GN_INPUT_FILE_MANAGER_H_