debugd: Fix coding style and cpplint issues.

BUG=chromium:385849
TEST=`FEATURES=test emerge-$BOARD platform2`
TEST=`cpplint.py --root=src --filter=-build/include src/{*.h,*.cc,*/*.cc}`

Change-Id: Ia2475d6ee287dc727c3b2ffe139e9cc8bfe2e2e5
Reviewed-on: https://chromium-review.googlesource.com/204391
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
diff --git a/debugd/src/log_tool.cc b/debugd/src/log_tool.cc
index 6cbe8c7..8dbac54 100644
--- a/debugd/src/log_tool.cc
+++ b/debugd/src/log_tool.cc
@@ -4,6 +4,8 @@
 
 #include "log_tool.h"
 
+#include <vector>
+
 #include <glib.h>
 
 #include <base/base64.h>
@@ -217,7 +219,7 @@
   return false;
 }
 
-string LogTool::GetLog(const string& name, DBus::Error& error) { // NOLINT
+string LogTool::GetLog(const string& name, DBus::Error* error) {
   string result;
      GetNamedLogFrom(name, common_logs, &result)
   || GetNamedLogFrom(name, extra_logs, &result)
@@ -230,14 +232,14 @@
     (*map)[logs[i].name] = Run(logs[i]);
 }
 
-LogTool::LogMap LogTool::GetAllLogs(DBus::Error& error) { // NOLINT
+LogTool::LogMap LogTool::GetAllLogs(DBus::Error* error) {
   LogMap result;
   GetLogsFrom(common_logs, &result);
   GetLogsFrom(extra_logs, &result);
   return result;
 }
 
-LogTool::LogMap LogTool::GetFeedbackLogs(DBus::Error& error) { // NOLINT
+LogTool::LogMap LogTool::GetFeedbackLogs(DBus::Error* error) {
   LogMap result;
   GetLogsFrom(common_logs, &result);
   GetLogsFrom(feedback_logs, &result);
@@ -245,7 +247,7 @@
   return result;
 }
 
-LogTool::LogMap LogTool::GetUserLogFiles(DBus::Error& error) {  // NOLINT
+LogTool::LogMap LogTool::GetUserLogFiles(DBus::Error* error) {
   LogMap result;
   for (size_t i = 0; user_logs[i].name; ++i)
     result[user_logs[i].name] = user_logs[i].command;
@@ -260,4 +262,4 @@
   }
 }
 
-};  // namespace debugd
+}  // namespace debugd