Fix python scripts in src/tools/

tools/code_coverage/coverage.py

Index: tools/code_coverage/coverage.py
diff --git a/tools/code_coverage/coverage.py b/tools/code_coverage/coverage.py
old mode 100644
new mode 100755
index a34a2304448210de8cc3de5e436ad6a92590cbb8..6e524eae5221a07de0f853fd9eec5d4e080e59b3
--- a/tools/code_coverage/coverage.py
+++ b/tools/code_coverage/coverage.py
@@ -1,5 +1,5 @@
 #!/bin/env python
-# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+# Copyright (c) 2011 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.
 
@@ -107,7 +107,6 @@ class Coverage(object):
     self._dir = tempfile.mkdtemp()
     self._archive = archive
 
-
   def SetUp(self, binaries):
     """Set up the platform specific environment and instrument the binaries for
     coverage.
@@ -157,7 +156,6 @@ class Coverage(object):
       self.instrumented = True
       return True
 
-
   def TearDown(self):
     """Tear down method.
 
@@ -188,7 +186,6 @@ class Coverage(object):
     # Reset the instrumented flag.
     self.instrumented = False
 
-
   def RunTest(self, src_root, test):
     """Run tests and collect the .coverage file
 
@@ -238,7 +235,6 @@ class Coverage(object):
     # Return the intermediate .coverage file
     return coverage_file
 
-
   def Upload(self, list_coverage, upload_path, sym_path=None, src_root=None):
     """Upload the results to the dashboard.