Revert "Rename SSHHost.run to SSHHost.run_very_slowly"

This reverts commit 672fb5f8806694d9476f016c0f1094da29120f31.

Reason for revert: Broke android tests: crbug.com/737316

Original change's description:
> Rename SSHHost.run to SSHHost.run_very_slowly
> 
> This CL renames several places that calls SSHHost.run directly to SSHHost.run_very_slowly.
> In addition, it warns the caller with a more verbose server stack message now.
> 
> BUG=chromium:735653
> TEST=test_that dut graphics_Sanity
>      ./utils/unittest_suite.py --debug
> CQ-DEPEND=I2a434782b9b7ed7a3d31289d9925f3c8502a6d9f
> 
> Change-Id: Icd22fe9bcc4b5a47320478932194a8b535f4a936
> Reviewed-on: https://chromium-review.googlesource.com/545116
> Commit-Ready: Po-Hsien Wang <pwang@chromium.org>
> Tested-by: Po-Hsien Wang <pwang@chromium.org>
> Reviewed-by: Ilja H. Friedel <ihf@chromium.org>

Bug: chromium:735653
Change-Id: If57cd6103d73bc1f0335866d8c130953754df0d9
Reviewed-on: https://chromium-review.googlesource.com/550970
Reviewed-by: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Trybot-Ready: Allen Li <ayatane@chromium.org>
diff --git a/server/hosts/abstract_ssh.py b/server/hosts/abstract_ssh.py
index c7ca60a..c3a1a19 100644
--- a/server/hosts/abstract_ssh.py
+++ b/server/hosts/abstract_ssh.py
@@ -121,8 +121,7 @@
         Check if rsync is available on the remote host.
         """
         try:
-            self.run_very_slowly("rsync --version",
-                                 stdout_tee=None, stderr_tee=None)
+            self.run("rsync --version", stdout_tee=None, stderr_tee=None)
         except error.AutoservRunError:
             return False
         return True
@@ -523,14 +522,13 @@
         """
         ctimeout = min(timeout, connect_timeout or timeout)
         try:
-            self.run_very_slowly(base_cmd, timeout=timeout,
-                                 connect_timeout=ctimeout,
-                                 ssh_failure_retry_ok=True)
+            self.run(base_cmd, timeout=timeout, connect_timeout=ctimeout,
+                     ssh_failure_retry_ok=True)
         except error.AutoservSSHTimeout:
             msg = "Host (ssh) verify timed out (timeout = %d)" % timeout
             raise error.AutoservSSHTimeout(msg)
         except error.AutoservSshPermissionDeniedError:
-            # let AutoservSshPermissionDeniedError be visible to the callers
+            #let AutoservSshPermissionDeniedError be visible to the callers
             raise
         except error.AutoservRunError, e:
             # convert the generic AutoservRunError into something more
diff --git a/server/hosts/cros_host.py b/server/hosts/cros_host.py
index 23fe5ed..edbb5ea 100644
--- a/server/hosts/cros_host.py
+++ b/server/hosts/cros_host.py
@@ -187,13 +187,13 @@
 
         """
         try:
-            result = host.run_very_slowly(
+            result = host.run(
                     'grep -q CHROMEOS /etc/lsb-release && '
                     '! test -f /mnt/stateful_partition/.android_tester && '
                     '! grep -q moblab /etc/lsb-release',
                     ignore_status=True, timeout=timeout)
             if result.exit_status == 0:
-                lsb_release_content = host.run_very_slowly(
+                lsb_release_content = host.run(
                     'grep CHROMEOS_RELEASE_BOARD /etc/lsb-release',
                     timeout=timeout).stdout
                 return not lsbrelease_utils.is_jetstream(
diff --git a/server/hosts/remote.py b/server/hosts/remote.py
index 2c5dcb7..0d4994f 100644
--- a/server/hosts/remote.py
+++ b/server/hosts/remote.py
@@ -49,7 +49,7 @@
         if hasattr(self, 'tmp_dirs'):
             for dir in self.tmp_dirs:
                 try:
-                    self.run_very_slowly('rm -rf "%s"' % (utils.sh_escape(dir)))
+                    self.run('rm -rf "%s"' % (utils.sh_escape(dir)))
                 except error.AutoservRunError:
                     pass
 
@@ -67,7 +67,7 @@
         try:
             cmd = ('test ! -e /var/log/messages || cp -f /var/log/messages '
                    '%s') % self.VAR_LOG_MESSAGES_COPY_PATH
-            self.run_very_slowly(cmd)
+            self.run(cmd)
         except Exception, e:
             # Non-fatal error
             logging.info('Failed to copy /var/log/messages at startup: %s', e)
@@ -243,10 +243,9 @@
         on the destruction of the Host object that was used to obtain
         it.
         """
-        self.run_very_slowly("mkdir -p %s" % parent)
+        self.run("mkdir -p %s" % parent)
         template = os.path.join(parent, 'autoserv-XXXXXX')
-        dir_name = self.run_very_slowly("mktemp -d %s"
-                                        % template).stdout.rstrip()
+        dir_name = self.run("mktemp -d %s" % template).stdout.rstrip()
         self.tmp_dirs.append(dir_name)
         return dir_name
 
diff --git a/server/hosts/ssh_host.py b/server/hosts/ssh_host.py
index 77da9d6..991987e 100644
--- a/server/hosts/ssh_host.py
+++ b/server/hosts/ssh_host.py
@@ -76,24 +76,17 @@
                                          alive_interval=alive_interval)
         return "%s %s" % (base_cmd, self.hostname)
 
-    def _get_server_stack_state(self, lowest_frames=0, highest_frames=None,
-                                verbose=False):
+    def _get_server_stack_state(self, lowest_frames=0, highest_frames=None):
         """ Get the server stack frame status.
         @param lowest_frames: the lowest frames to start printing.
         @param highest_frames: the highest frames to print.
-                               (None means no restriction)
+                        (None means no restriction)
         """
         stack_frames = inspect.stack()
         stack = ''
         for frame in stack_frames[lowest_frames:highest_frames]:
-            info = inspect.getframeinfo(frame[0])
-            if verbose:
-                stack = '%s:%s <%s> | %s' % (info.filename,
-                                             info.lineno,
-                                             info.function,
-                                             stack)
-            else:
-                stack = '%s | %s' % (info.function, stack)
+            function_name = inspect.getframeinfo(frame[0]).function
+            stack = '%s|%s' % (function_name, stack)
         del stack_frames
         return stack[:-1] # Delete the last '|' character
 
@@ -299,9 +292,7 @@
         @raises AutoservSSHTimeout: ssh connection has timed out
         """
         if verbose:
-            stack = self._get_server_stack_state(lowest_frames=1,
-                                                 highest_frames=7,
-                                                 verbose=True)
+            stack = self._get_server_stack_state(lowest_frames=1, highest_frames=7)
             logging.debug("Running (ssh) '%s' from '%s'", command, stack)
             command = self._verbose_logger_command(command)
 
@@ -321,8 +312,6 @@
             raise error.AutoservRunError(timeout_message, cmderr.args[1])
 
 
-    # TODO(pwang): Delete this once all reference to the original run function
-    # is changed to run_very_slowly. (crbug.com/735653)
     def run(self, *args, **kwargs):
         return self.run_very_slowly(*args, **kwargs)