[Android] Generate localized strings.xml files at build time.

build/java.gypi

Index: build/java.gypi
diff --git a/build/java.gypi b/build/java.gypi
index a13c88f852fd9880c90bbf53f44cab683a159a04..21dc3437e2049dd38ab4fd18f517ccf90309d46f 100644
--- a/build/java.gypi
+++ b/build/java.gypi
@@ -65,12 +65,13 @@
     'generated_R_dirs': [],
     'additional_R_files': [],
     'has_java_resources%': 0,
+    'grit_grd_file%': '',
   },
   'conditions': [
     ['has_java_resources == 1', {
       'variables': {
         'res_dir': '<(java_in_dir)/res',
-        'crunched_res_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/res',
+        'out_res_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/res',
         'R_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/java_R',
         'R_file': '<(R_dir)/<(R_package_relpath)/R.java',
         'generated_src_dirs': ['<(R_dir)'],
@@ -85,7 +86,7 @@
 
           # Dependent APKs include this target's resources via
           # additional_res_dirs and additional_res_packages.
-          'additional_res_dirs': ['<(crunched_res_dir)', '<(res_dir)'],
+          'additional_res_dirs': ['<(out_res_dir)', '<(res_dir)'],
           'additional_res_packages': ['<(R_package)'],
         },
       },
@@ -94,6 +95,16 @@
         {
           'action_name': 'process_resources',
           'message': 'processing resources for <(package_name)',
+          'conditions': [
+            ['grit_grd_file != ""', {
+              'inputs': [
+                # TODO(newt): replace this with .../values/strings.xml once
+                # the English strings.xml is generated as well? That would be
+                # simpler and faster and should be equivalent.
+                '<!@pymod_do_main(grit_info <@(grit_defines) --outputs "<(out_res_dir)" <(grit_grd_file))',

[newt (away), 2012/12/21 08:12:41]

It would be nice if this duplication could be eliminated: the input here is
simply the output from grit_action.gypi below.  But it doesn't seem that gyp
syntax allows sharing/exporting variables from within an action.

+              ],
+            }],
+          ],
           'inputs': [
             '<(DEPTH)/build/android/process_resources.py',
             '<!@(find <(res_dir) -type f)',
@@ -108,10 +119,25 @@
             '--R-package', '<(R_package)',
             '--R-dir', '<(R_dir)',
             '--res-dir', '<(res_dir)',
-            '--crunched-res-dir', '<(crunched_res_dir)',
+            '--crunched-res-dir', '<(out_res_dir)',
           ],
         },
       ],
+      'conditions': [
+        ['grit_grd_file != ""', {
+          'actions': [
+            {
+              'action_name': 'generate_localized_strings_xml',
+              'variables': {
+                'grit_out_dir': '<(out_res_dir)',
+                # resource_ids is unneeded since we don't generate .h headers.
+                'grit_resource_ids': '',
+              },
+              'includes': ['../build/grit_action.gypi'],
+            },
+          ],
+        }],
+      ],
     }],
   ],
   'actions': [