Fix Linux code coverage.

tools/code_coverage/coverage_posix.py

 #!/usr/bin/env python
 # Copyright (c) 2009 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.
 
 """Generate and process code coverage on POSIX systems.
 
 Written for and tested on Mac and Linux.  To use this script to
 generate coverage numbers, please run from within a gyp-generated
 project.
@@ skipping 120 matching lines @@
       if not os.path.exists(fulltest):
         logging.fatal(fulltest + ' does not exist')
         if self.options.strict:
           sys.exit(2)
       # TODO(jrg): add timeout?
       print >>sys.stderr, 'Running test: ' + fulltest
       cmdlist = [fulltest, '--gtest_print_time']
 
       # If asked, make this REAL fast for testing.
       if self.options.fast_test:
-        cmdlist.append('--gtest_filter=TupleTest*')
+        cmdlist.append('--gtest_filter=RenderWidgetHost*')
 
       retcode = subprocess.call(cmdlist)
       if retcode:
         logging.fatal('COVERAGE: test %s failed; return code: %d' %
                       (fulltest, retcode))
         if self.options.strict:
           sys.exit(retcode)
 
   def GenerateLcov(self):
     """Convert profile data to lcov."""
-    if self.IsLinux():
-      command = [self.lcov,
-                 '--directory', self.directory,
-                 '--capture',
-                 '--output-file',
-                 self.coverage_info_file]
-    else:
-      command = [self.mcov,
-                 '--directory', self.directory_parent,
-                 '--output', self.coverage_info_file]
+    command = [self.mcov,
+               '--directory', self.directory_parent,
+               '--output', self.coverage_info_file]
     print >>sys.stderr, 'Assembly command: ' + ' '.join(command)
     retcode = subprocess.call(command)
     if retcode:
       logging.fatal('COVERAGE: %s failed; return code: %d' %
                     (command[0], retcode))
       if self.options.strict:
         sys.exit(retcode)
 
   def GenerateHtml(self):
     """Convert lcov to html."""
@@ skipping 49 matching lines @@
   coverage.FindTests()
   coverage.RunTests()
   coverage.GenerateLcov()
   if options.genhtml:
     coverage.GenerateHtml()
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())