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.h b/debugd/src/log_tool.h
index 8dff40b..9ca678e 100644
--- a/debugd/src/log_tool.h
+++ b/debugd/src/log_tool.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef LOG_TOOL_H
-#define LOG_TOOL_H
+#ifndef LOG_TOOL_H_
+#define LOG_TOOL_H_
 
 #include <string>
 #include <map>
@@ -20,10 +20,10 @@
 
   typedef std::map<std::string, std::string> LogMap;
 
-  std::string GetLog(const std::string& name, DBus::Error& error); // NOLINT
-  LogMap GetAllLogs(DBus::Error& error); // NOLINT
-  LogMap GetFeedbackLogs(DBus::Error& error); // NOLINT
-  LogMap GetUserLogFiles(DBus::Error& error);  // NOLINT
+  std::string GetLog(const std::string& name, DBus::Error* error);
+  LogMap GetAllLogs(DBus::Error* error);
+  LogMap GetFeedbackLogs(DBus::Error* error);
+  LogMap GetUserLogFiles(DBus::Error* error);
 
  private:
   friend class LogToolTest;
@@ -33,6 +33,6 @@
   DISALLOW_COPY_AND_ASSIGN(LogTool);
 };
 
-};  // namespace debugd
+}  // namespace debugd
 
-#endif  // LOG_TOOL_H
+#endif  // LOG_TOOL_H_