Quick spelling clean-up in the auto-bisect code.

Note: I prefer "try server" and "try bot" more than "tryserver" and "trybot" because that's what's used in the official documentation: http://dev.chromium.org/developers/testing/try-server-usage

BUG=

Review URL: https://codereview.chromium.org/468633005

Cr-Commit-Position: refs/heads/master@{#291579}

tools/auto_bisect/bisect_utils.py

@@ -85,7 +85,7 @@ REPO_PARAMS = [
 
 
 def OutputAnnotationStepStart(name):
-  """Outputs annotation to signal the start of a step to a trybot.
+  """Outputs annotation to signal the start of a step to a try bot.
 
   Args:
     name: The name of the step.
@@ -99,7 +99,7 @@ def OutputAnnotationStepStart(name):
 
 
 def OutputAnnotationStepClosed():
-  """Outputs annotation to signal the closing of a step to a trybot."""
+  """Outputs annotation to signal the closing of a step to a try bot."""
   print
   print '@@@STEP_CLOSED@@@'
   print
@@ -111,7 +111,7 @@ def OutputAnnotationStepLink(label, url):
 
   Args:
     label: The name to print.
-    url: The url to print.
+    url: The URL to print.
   """
   print
   print '@@@STEP_LINK@%s@%s@@@' % (label, url)
@@ -172,10 +172,10 @@ def _CreateAndChangeToSourceDirectory(working_directory):
 
 
 def _SubprocessCall(cmd, cwd=None):
-  """Runs a subprocess with specified parameters.
+  """Runs a command in a subprocess.
 
   Args:
-    params: A list of parameters to pass to gclient.
+    cmd: The command to run.
     cwd: Working directory to run from.
 
   Returns:

tools/auto_bisect/math_utils.py

@@ -16,7 +16,7 @@ def TruncatedMean(data_set, truncate_percent):
 
   Args:
     data_set: Non-empty list of values.
-    truncate_percent: The % from the upper and lower portions of the data set
+    truncate_percent: How much of the upper and lower portions of the data set
         to discard, expressed as a value in [0, 1].
 
   Returns:

tools/auto_bisect/source_control.py

@@ -36,10 +36,10 @@ class SourceControl(object):
   def SyncToRevisionWithGClient(self, revision):
     """Uses gclient to sync to the specified revision.
 
-    ie. gclient sync --revision <revision>
+    This is like running gclient sync --revision <revision>.
 
     Args:
-      revision: The git SHA1 or svn CL (depending on workflow).
+      revision: A git SHA1 hash or SVN revision number (depending on workflow).
 
     Returns:
       The return code of the call.
@@ -48,11 +48,11 @@ class SourceControl(object):
         '--delete_unversioned_trees', '--nohooks', '--revision', revision])
 
   def SyncToRevisionWithRepo(self, timestamp):
-    """Uses repo to sync all the underlying git depots to the specified
-    time.
+    """Uses the repo command to sync all the underlying git depots to the
+    specified time.
 
     Args:
-      timestamp: The unix timestamp to sync to.
+      timestamp: The Unix timestamp to sync to.
 
     Returns:
       The return code of the call.
@@ -227,6 +227,7 @@ class GitSourceControl(SourceControl):
 
     Args:
       revision: Revision you want to gather information on.
+
     Returns:
       A dict in the following format:
       {
@@ -259,7 +260,7 @@ class GitSourceControl(SourceControl):
         ['checkout', revision, file_name], cwd=cwd)[1]
 
   def RevertFileToHead(self, file_name):
-    """Unstages a file and returns it to HEAD.
+    """Un-stages a file and resets the file's state to HEAD.
 
     Returns:
       True if successful.

tools/prepare-bisect-perf-regression.py

@@ -5,7 +5,7 @@
 
 """Prepare Performance Test Bisect Tool
 
-This script is used by a trybot to create a working directory and sync an
+This script is used by a try bot to create a working directory and sync an
 initial copy of the depot for use in bisecting performance regressions.
 
 An example usage:
@@ -27,7 +27,7 @@ def main():
   """Does an initial checkout of Chromium then exits."""
 
   usage = ('%prog [options] [-- chromium-options]\n'
-           'Prepares a temporary depot for use on a trybot.')
+           'Prepares a temporary depot for use on a try bot.')
 
   parser = optparse.OptionParser(usage=usage)
 

tools/run-bisect-perf-regression.py

@@ -5,7 +5,7 @@
 
 """Run Performance Test Bisect Tool
 
-This script is used by a trybot to run the src/tools/bisect-perf-regression.py
+This script is used by a try bot to run the src/tools/bisect-perf-regression.py
 script with the parameters specified in run-bisect-perf-regression.cfg. It will
 check out a copy of the depot in a subdirectory 'bisect' of the working
 directory provided, and run the bisect-perf-regression.py script there.
@@ -220,7 +220,7 @@ def _CreateBisectOptionsFromConfig(config):
       opts_dict['cros_board'] = os.environ[CROS_BOARD_ENV]
       opts_dict['cros_remote_ip'] = os.environ[CROS_IP_ENV]
     else:
-      raise RuntimeError('Cros build selected, but BISECT_CROS_IP or'
+      raise RuntimeError('CrOS build selected, but BISECT_CROS_IP or'
           'BISECT_CROS_BOARD undefined.')
   elif 'android' in config['command']:
     if 'android-chrome-shell' in config['command']:
@@ -271,7 +271,7 @@ def _RunPerformanceTest(config, path_to_file):
   bisect_utils.OutputAnnotationStepStart('Reverting Patch')
   # TODO: When this is re-written to recipes, this should use bot_update's
   # revert mechanism to fully revert the client. But for now, since we know that
-  # the perf trybot currently only supports src/ and src/third_party/WebKit, we
+  # the perf try bot currently only supports src/ and src/third_party/WebKit, we
   # simply reset those two directories.
   bisect_utils.CheckRunGit(['reset', '--hard'])
   bisect_utils.CheckRunGit(['reset', '--hard'],
@@ -301,11 +301,11 @@ def _RunPerformanceTest(config, path_to_file):
       if 'storage.googleapis.com/chromium-telemetry/html-results/' in t]
   if cloud_file_link:
     # What we're getting here is basically "View online at http://..." so parse
-    # out just the url portion.
+    # out just the URL portion.
     cloud_file_link = cloud_file_link[0]
     cloud_file_link = [t for t in cloud_file_link.split(' ')
         if 'storage.googleapis.com/chromium-telemetry/html-results/' in t]
-    assert cloud_file_link, "Couldn't parse url from output."
+    assert cloud_file_link, 'Couldn\'t parse URL from output.'
     cloud_file_link = cloud_file_link[0]
   else:
     cloud_file_link = ''
@@ -442,8 +442,8 @@ def _RunBisectionScript(
     cmd.extend(['--extra_src', path_to_extra_src])
 
   # These flags are used to download build archives from cloud storage if
-  # available, otherwise will post a try_job_http request to build it on
-  # tryserver.
+  # available, otherwise will post a try_job_http request to build it on the
+  # try server.
   if config.get('gs_bucket'):
     if config.get('builder_host') and config.get('builder_port'):
       cmd.extend(['--gs_bucket', config['gs_bucket'],
@@ -483,7 +483,7 @@ def _PrintConfigStep(config):
 def _OptionParser():
   """Returns the options parser for run-bisect-perf-regression.py."""
   usage = ('%prog [options] [-- chromium-options]\n'
-           'Used by a trybot to run the bisection script using the parameters'
+           'Used by a try bot to run the bisection script using the parameters'
            ' provided in the run-bisect-perf-regression.cfg file.')
   parser = optparse.OptionParser(usage=usage)
   parser.add_option('-w', '--working_directory',