| Index: build/android/gyp/emma_instr.py | 
| diff --git a/build/android/gyp/emma_instr.py b/build/android/gyp/emma_instr.py | 
| index 86ee177e1d5d46ca1be75b43c9c51b2329fe42d5..8d97ed38ae1c6030fa69ad936626b7843cfc91e3 100755 | 
| --- a/build/android/gyp/emma_instr.py | 
| +++ b/build/android/gyp/emma_instr.py | 
| @@ -152,6 +152,8 @@ def _RunInstrumentCommand(command, options, args, option_parser): | 
| options.coverage_file) | 
| sources_file = os.path.join(os.path.dirname(options.output_path), | 
| options.sources_file) | 
| +  if os.path.exists(coverage_file): | 
| +    os.remove(coverage_file) | 
| temp_dir = tempfile.mkdtemp() | 
| try: | 
| cmd = ['java', '-cp', options.emma_jar, | 
|  |