Make chrome_shell_apk build

build/config/android/internal_rules.gni

 # 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.
 
 import("//build/config/android/config.gni")
 
 assert(is_android)
 
 
 rebased_android_sdk = rebase_path(android_sdk, root_build_dir)
@@ skipping 67 matching lines @@
   action(target_name) {
     script = "//build/android/gyp/write_build_config.py"
     depfile = "$target_gen_dir/$target_name.d"
     inputs = []
 
     deps = []
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
 
-    outputs = [
-      depfile,
-      build_config
-    ]
-
     possible_deps_configs = []
     foreach(d, deps) {
       dep_gen_dir = get_label_info(d, "target_gen_dir")
       dep_name = get_label_info(d, "name")
       possible_deps_configs += [ "$dep_gen_dir/$dep_name.build_config" ]
     }
     rebase_possible_deps_configs = rebase_path(possible_deps_configs)
 
+    outputs = [
+      depfile,
+      build_config
+    ]
+
     args = [
       "--type", type,
       "--depfile", rebase_path(depfile, root_build_dir),
       "--possible-deps-configs=$rebase_possible_deps_configs",
       "--build-config", rebase_path(build_config, root_build_dir),
     ]
 
     if (type == "android_library" || type == "android_apk") {
       args += [
         "--jar-path", rebase_path(invoker.jar_path, root_build_dir),
@@ skipping 447 matching lines @@
 
   _srcjars = []
   if (defined(invoker.srcjars)) {
     _srcjars = invoker.srcjars
   }
 
   _java_files = []
   if (defined(invoker.java_files)) {
     _java_files = invoker.java_files
   } else if (defined(invoker.DEPRECATED_java_in_dir)) {
+    _src_dir = invoker.DEPRECATED_java_in_dir + "/src"
+    _src_dir_exists = exec_script("//build/dir_exists.py",
+          [ rebase_path(_src_dir, root_build_dir) ],
+          "string")
+    assert(_src_dir_exists == "False",
+        "In GN, java_in_dir should be the fully specified java directory " +
+        "(i.e. including the trailing \"/src\")")
+
     _java_files_build_rel = exec_script(
         "//build/android/gyp/find.py",
         [
           "--pattern",
           "*.java",
           rebase_path(invoker.DEPRECATED_java_in_dir, root_build_dir)
         ],
         "list lines"
         )
     _java_files = rebase_path(_java_files_build_rel, ".", root_build_dir)
@@ skipping 133 matching lines @@
       args += invoker.args
     }
   }
 }
 
 template("copy_ex") {
   if (defined(invoker.testonly)) { testonly = invoker.testonly }
 
   action(target_name) {
     script = "//build/android/gyp/copy_ex.py"
-    depfile = "$target_gen_dir/$target_name.d"
-    outputs = [
-      depfile,
-    ]
+
+    if (defined(invoker.deps)) { deps = invoker.deps }
+
     sources = []
     if (defined(invoker.sources)) {
       sources += invoker.sources
     }
 
     inputs = []
     if (defined(invoker.inputs)) {
       inputs += invoker.inputs
     }
 
+    depfile = "$target_gen_dir/$target_name.d"
+    outputs = [
+      depfile,
+    ]
+
     args = [
       "--depfile", rebase_path(depfile, root_build_dir),
       "--dest", rebase_path(invoker.dest, root_build_dir),
     ]
-    if (defined(invoker.args)) {
-      args += invoker.args
-    }
     rebased_sources = rebase_path(sources, root_build_dir)
     args += [ "--files=$rebased_sources" ]
 
     if (defined(invoker.clear_dir) && invoker.clear_dir) {
       args += ["--clear"]
     }
+
+    if (defined(invoker.args)) {
+      args += invoker.args
+    }
   }
 }