Make callers of CommandLine use it via the base:: namespace.

content/shell/app/shell_crash_reporter_client.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/app/shell_crash_reporter_client.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 30 matching lines @@
   *product_name = "content_shell";
   *version = CONTENT_SHELL_VERSION;
 }
 
 base::FilePath ShellCrashReporterClient::GetReporterLogFilename() {
   return base::FilePath(FILE_PATH_LITERAL("uploads.log"));
 }
 #endif
 
 bool ShellCrashReporterClient::GetCrashDumpLocation(base::FilePath* crash_dir) {
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kCrashDumpsDir))
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kCrashDumpsDir))
     return false;
-  *crash_dir = CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+  *crash_dir = base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
       switches::kCrashDumpsDir);
   return true;
 }
 
 #if defined(OS_ANDROID)
 int ShellCrashReporterClient::GetAndroidMinidumpDescriptor() {
   return kAndroidMinidumpDescriptor;
 }
 #endif
 
 bool ShellCrashReporterClient::EnableBreakpadForProcess(
     const std::string& process_type) {
   return process_type == switches::kRendererProcess ||
          process_type == switches::kPluginProcess ||
          process_type == switches::kPpapiPluginProcess ||
          process_type == switches::kZygoteProcess ||
          process_type == switches::kGpuProcess;
 }
 
 }  // namespace content