Goal here is to collect total_coverage and unittests coverage numbers separately. Below are the ste…

build/scripts/master/factory/chromium_commands.py

 # Copyright (c) 2012 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.
 
 """Set of utilities to add commands to a buildbot factory.
 
 This is based on commands.py and adds chromium-specific commands."""
 
 import logging
 import os
@@ skipping 1342 matching lines @@
     cmd = [self._python,
            os.path.join('src', 'tools', 'code_coverage', 'coverage_posix.py'),
            '--build-dir',
            self._build_dir,
            '--target',
            self._target,
            '--src_root',
            '.',
            '--bundles', 'coverage_bundles.py']
     self.AddTestStep(shell.ShellCommand, 'run_coverage_bundles', cmd)
+    # Run only unittests in this step.
+    cmd = [self._python,
+           os.path.join('src', 'tools', 'code_coverage', 'coverage_posix.py'),
+           '--build-dir',
+           self._build_dir,
+           '--target',
+           self._target,
+           '--src_root',
+           '.',
+           '--all_unittests', 'True']
+    self.AddTestStep(shell.ShellCommand, 'run_unittests_only', cmd)  
 
   def AddProcessCoverage(self, factory_properties=None):
     factory_properties = factory_properties or {}
     c = self.GetPerfStepClass(factory_properties, 'coverage',
                               process_log.GraphingLogProcessor)
 
     cmd = [self._python, self._process_coverage_tool,
            '--target', self._target,
            '--build-dir', self._build_dir]
 
@@ skipping 304 matching lines @@
   return '%s/%s/%s' % (config.Master.archive_url, archive_type, builder_name)
 
 
 def _GetSnapshotUrl(factory_properties=None, builder_name='%(build_name)s'):
   if not factory_properties or 'gs_bucket' not in factory_properties:
     return (_GetArchiveUrl('snapshots', builder_name), None)
   gs_bucket = factory_properties['gs_bucket']
   gs_bucket = re.sub(r'^gs://', 'http://commondatastorage.googleapis.com/',
                      gs_bucket)
   return ('%s/index.html?path=%s' % (gs_bucket, builder_name), '/')