Allow GN toolchains to specify runtime deps outputs.

tools/gn/target.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_H_
 #define TOOLS_GN_TARGET_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 274 matching lines @@
   //
   // These are only known once the target is resolved and will be empty before
   // that. This is a cache of the files to prevent every target that depends on
   // a given library from recomputing the same pattern.
   const OutputFile& link_output_file() const {
     return link_output_file_;
   }
   const OutputFile& dependency_output_file() const {
     return dependency_output_file_;
   }
-  const OutputFile& runtime_link_output_file() const {
-    return runtime_link_output_file_;
+
+  // The subset of computed_outputs that are considered runtime outputs.
+  const std::vector<OutputFile>& runtime_outputs() const {
+    return runtime_outputs_;
   }
 
   // Computes the set of output files resulting from compiling the given source
   // file. If the file can be compiled and the tool exists, fills the outputs
   // in and writes the tool type to computed_tool_type. If the file is not
   // compilable, returns false.
   //
   // The function can succeed with a "NONE" tool type for object files which
   // are just passed to the output. The output will always be overwritten, not
   // appended to.
@@ skipping 78 matching lines @@
   // Used for action[_foreach] targets.
   ActionValues action_values_;
 
   // Toolchain used by this target. Null until target is resolved.
   const Toolchain* toolchain_;
 
   // Output files. Empty until the target is resolved.
   std::vector<OutputFile> computed_outputs_;
   OutputFile link_output_file_;
   OutputFile dependency_output_file_;
-  OutputFile runtime_link_output_file_;
+  std::vector<OutputFile> runtime_outputs_;
 
   DISALLOW_COPY_AND_ASSIGN(Target);
 };
 
 #endif  // TOOLS_GN_TARGET_H_