Add "create_bundle" target in order to support bundle with gn.

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>
 
 #include "base/gtest_prod_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "tools/gn/action_values.h"
+#include "tools/gn/bundle_data.h"
 #include "tools/gn/config_values.h"
 #include "tools/gn/inherited_libraries.h"
 #include "tools/gn/item.h"
 #include "tools/gn/label_pattern.h"
 #include "tools/gn/label_ptr.h"
 #include "tools/gn/lib_file.h"
 #include "tools/gn/ordered_set.h"
 #include "tools/gn/output_file.h"
 #include "tools/gn/source_file.h"
 #include "tools/gn/toolchain.h"
@@ skipping 12 matching lines @@
     GROUP,
     EXECUTABLE,
     SHARED_LIBRARY,
     LOADABLE_MODULE,
     STATIC_LIBRARY,
     SOURCE_SET,
     COPY_FILES,
     ACTION,
     ACTION_FOREACH,
     BUNDLE_DATA,
+    CREATE_BUNDLE,
   };
 
   enum DepsIterationType {
     DEPS_ALL,  // Iterates through all public, private, and data deps.
     DEPS_LINKED,  // Iterates through all non-data dependencies.
   };
 
   typedef std::vector<SourceFile> FileList;
   typedef std::vector<std::string> StringVector;
 
@@ skipping 71 matching lines @@
   // Compile-time extra dependencies.
   const FileList& inputs() const { return inputs_; }
   FileList& inputs() { return inputs_; }
 
   // Runtime dependencies. These are "file-like things" that can either be
   // directories or files. They do not need to exist, these are just passed as
   // runtime dependencies to external test systems as necessary.
   const std::vector<std::string>& data() const { return data_; }
   std::vector<std::string>& data() { return data_; }
 
+  // Information about the bundle. Only valid for CREATE_BUNDLE target after
+  // they have been resolved.
+  const BundleData& bundle_data() const { return bundle_data_; }
+  BundleData& bundle_data() { return bundle_data_; }
+
   // Returns true if targets depending on this one should have an order
   // dependency.
   bool hard_dep() const {
     return output_type_ == ACTION ||
            output_type_ == ACTION_FOREACH ||
-           output_type_ == COPY_FILES;
+           output_type_ == COPY_FILES ||
+           output_type_ == CREATE_BUNDLE;
   }
 
   // Returns the iterator range which can be used in range-based for loops
   // to iterate over multiple types of deps in one loop:
   //   for (const auto& pair : target->GetDeps(Target::DEPS_ALL)) ...
   DepsIteratorRange GetDeps(DepsIterationType type) const;
 
   // Linked private dependencies.
   const LabelTargetVector& private_deps() const { return private_deps_; }
   LabelTargetVector& private_deps() { return private_deps_; }
@@ skipping 122 matching lines @@
  private:
   FRIEND_TEST_ALL_PREFIXES(Target, ResolvePrecompiledHeaders);
 
   // Pulls necessary information from dependencies to this one when all
   // dependencies have been resolved.
   void PullDependentTargetConfigsFrom(const Target* dep);
   void PullDependentTargetConfigs();
   void PullDependentTargetLibsFrom(const Target* dep, bool is_public);
   void PullDependentTargetLibs();
   void PullRecursiveHardDeps();
+  void PullRecursiveBundleData();
 
   // Fills the link and dependency output files when a target is resolved.
   void FillOutputFiles();
 
   // Checks precompiled headers from configs and makes sure the resulting
   // values are in config_values_.
   bool ResolvePrecompiledHeaders(Err* err);
 
   // Validates the given thing when a target is resolved.
   bool CheckVisibility(Err* err) const;
   bool CheckTestonly(Err* err) const;
   bool CheckNoNestedStaticLibs(Err* err) const;
   bool CheckAssertNoDeps(Err* err) const;
   void CheckSourcesGenerated() const;
   void CheckSourceGenerated(const SourceFile& source) const;
 
   OutputType output_type_;
   std::string output_name_;
   std::string output_extension_;
 
   FileList sources_;
   bool all_headers_public_;
   FileList public_headers_;
   bool check_includes_;
   bool complete_static_lib_;
   bool testonly_;
   FileList inputs_;
   std::vector<std::string> data_;
+  BundleData bundle_data_;
 
   LabelTargetVector private_deps_;
   LabelTargetVector public_deps_;
   LabelTargetVector data_deps_;
 
   // See getters for more info.
   UniqueVector<LabelConfigPair> configs_;
   UniqueVector<LabelConfigPair> all_dependent_configs_;
   UniqueVector<LabelConfigPair> public_configs_;
 
@@ skipping 28 matching lines @@
   // 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_;
 
   DISALLOW_COPY_AND_ASSIGN(Target);
 };
 
 #endif  // TOOLS_GN_TARGET_H_