Add public deps to GN

tools/gn/target_generator.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_TARGET_GENERATOR_H_
 #define TOOLS_GN_TARGET_GENERATOR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
                              const std::vector<Value>& args,
                              const std::string& output_type,
                              Err* err);
 
  protected:
   // Derived classes implement this to do type-specific generation.
   virtual void DoRun() = 0;
 
   const BuildSettings* GetBuildSettings() const;
 
-  void FillSources();
-  void FillPublic();
-  void FillInputs();
-  void FillConfigs();
-  void FillOutputs(bool allow_substitutions);
+  bool FillSources();
+  bool FillPublic();
+  bool FillInputs();
+  bool FillConfigs();
+  bool FillOutputs(bool allow_substitutions);
 
   // Rrturns true if the given pattern will expand to a file in the output
   // directory. If not, returns false and sets the error, blaming the given
   // Value.
   bool EnsureSubstitutionIsInOutputDir(
       const SubstitutionPattern& pattern,
       const Value& original_value);
 
   Target* target_;
   Scope* scope_;
   const FunctionCallNode* function_call_;
   Err* err_;
 
  private:
-  void FillDependentConfigs();  // Includes all types of dependent configs.
-  void FillData();
-  void FillDependencies();  // Includes data dependencies.
-  void FillTestonly();
+  bool FillDependentConfigs();  // Includes all types of dependent configs.
+  bool FillData();
+  bool FillDependencies();  // Includes data dependencies.
+  bool FillTestonly();
 
   // Reads configs/deps from the given var name, and uses the given setting on
   // the target to save them.
-  void FillGenericConfigs(const char* var_name,
+  bool FillGenericConfigs(const char* var_name,
                           UniqueVector<LabelConfigPair>* dest);
-  void FillGenericDeps(const char* var_name, LabelTargetVector* dest);
+  bool FillGenericDeps(const char* var_name, LabelTargetVector* dest);
 
-  void FillForwardDependentConfigs();
+  bool FillForwardDependentConfigs();
 
   DISALLOW_COPY_AND_ASSIGN(TargetGenerator);
 };
 
 #endif  // TOOLS_GN_TARGET_GENERATOR_H_