Add content_shell_apk target (and a bunch of its dependencies)

build/android/gyp/write_build_config.py

 #!/usr/bin/env python
 #
 # 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.
 
 """Writes a build_config file.
 
 The build_config file for a target is a json file containing information about
 how to build that target based on the target's dependencies. This includes
@@ skipping 151 matching lines @@
     config['apk_dex'] = {}
     dex_config = config['apk_dex']
     # TODO(cjhopman): proguard version
     dex_deps_files = [c['dex_path'] for c in all_library_deps]
     dex_config['dependency_dex_files'] = dex_deps_files
 
     library_paths = []
     java_libraries_list = []
     if options.native_libs:
       libraries = build_utils.ParseGypList(options.native_libs)
-      libraries_dir = os.path.dirname(libraries[0])
-      write_ordered_libraries.SetReadelfPath(options.readelf_path)
-      write_ordered_libraries.SetLibraryDirs([libraries_dir])
-      all_native_library_deps = (
-          write_ordered_libraries.GetSortedTransitiveDependenciesForBinaries(
-              libraries))
-      java_libraries_list = '{%s}' % ','.join(
-          ['"%s"' % s for s in all_native_library_deps])
-      library_paths = map(
-          write_ordered_libraries.FullLibraryPath, all_native_library_deps)
+      if libraries:
+        libraries_dir = os.path.dirname(libraries[0])
+        write_ordered_libraries.SetReadelfPath(options.readelf_path)
+        write_ordered_libraries.SetLibraryDirs([libraries_dir])
+        all_native_library_deps = (
+            write_ordered_libraries.GetSortedTransitiveDependenciesForBinaries(
+                libraries))
+        # Create a java literal array with the "base" library names:
+        # e.g. libfoo.so -> foo
+        java_libraries_list = '{%s}' % ','.join(
+            ['"%s"' % s[3:-3] for s in all_native_library_deps])
+        library_paths = map(
+            write_ordered_libraries.FullLibraryPath, all_native_library_deps)
 
-    config['native'] = {
-      'libraries': library_paths,
-      'java_libraries_list': java_libraries_list
-    }
+      config['native'] = {
+        'libraries': library_paths,
+        'java_libraries_list': java_libraries_list
+      }
 
   build_utils.WriteJson(config, options.build_config, only_if_changed=True)
 
   if options.depfile:
     build_utils.WriteDepfile(
         options.depfile,
         all_deps_config_paths + build_utils.GetPythonDependencies())
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))