[Android] Sets up a coverage system for java using EMMA

build/android/gyp/dex.py

Index: build/android/gyp/dex.py
diff --git a/build/android/gyp/dex.py b/build/android/gyp/dex.py
index 86f3878f7f0d4b456906d32745916b807918f415..d974543eaacb89263253d0e8ecd7a74b80e9e3ed 100755
--- a/build/android/gyp/dex.py
+++ b/build/android/gyp/dex.py
@@ -15,7 +15,10 @@ from util import md5_check
 
 def DoDex(options, paths):
   dx_binary = os.path.join(options.android_sdk_root, 'platform-tools', 'dx')
-  dex_cmd = [dx_binary, '--dex', '--output', options.dex_path] + paths
+  dex_cmd = [dx_binary, '--dex', '--output', options.dex_path]
+  if options.no_locals:
+    dex_cmd.append('--no-locals')
+  dex_cmd += paths
 
   record_path = '%s.md5.stamp' % options.dex_path
   md5_check.CallAndRecordIfStale(
@@ -32,11 +35,14 @@ def main(argv):
   parser.add_option('--android-sdk-root', help='Android sdk root directory.')
   parser.add_option('--dex-path', help='Dex output path.')
   parser.add_option('--configuration-name',
-      help='The build CONFIGURATION_NAME.')
+                    help='The build CONFIGURATION_NAME.')
   parser.add_option('--proguard-enabled',
-      help='"true" if proguard is enabled.')
+                    help='"true" if proguard is enabled.')
   parser.add_option('--proguard-enabled-input-path',
-      help='Path to dex in Release mode when proguard is enabled.')
+                    help=('Path to dex in Release mode when proguard '
+                          'is enabled.'))
+  parser.add_option('--no-locals',
+                    help='Exclude locals list from the dex file.')
   parser.add_option('--stamp', help='Path to touch on success.')
 
   # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.