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}

3 files changed, 13 insertions, 12 deletions

diff --git a/tools/auto_bisect/bisect_utils.py b/tools/auto_bisect/bisect_utils.py
index 5e80d51..226df7b 100644
--- a/tools/auto_bisect/bisect_utils.py
+++ b/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:
diff --git a/tools/auto_bisect/math_utils.py b/tools/auto_bisect/math_utils.py
index c225bdd..ffdcdcc 100644
--- a/tools/auto_bisect/math_utils.py
+++ b/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:
diff --git a/tools/auto_bisect/source_control.py b/tools/auto_bisect/source_control.py
index 66b7e73..ea6bde8 100644
--- a/tools/auto_bisect/source_control.py
+++ b/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.