Add base:: qualification to some CommandLine references in content.

content/common/pepper_plugin_list.cc

Index: content/common/pepper_plugin_list.cc
diff --git a/content/common/pepper_plugin_list.cc b/content/common/pepper_plugin_list.cc
index fac77f6f2e4bd38af5bd1c353287c19dc933c099..3a3e0e076d25a9491283a7af74ec388d36f3ddd6 100644
--- a/content/common/pepper_plugin_list.cc
+++ b/content/common/pepper_plugin_list.cc
@@ -36,11 +36,12 @@ void ComputePluginsFromCommandLine(std::vector<PepperPluginInfo>* plugins) {
       max_plugins_to_register_from_command_line_exceeds_limit);
 
   bool out_of_process = true;
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kPpapiInProcess))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kPpapiInProcess))
     out_of_process = false;
 
   const std::string value =
-      CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kRegisterPepperPlugins);
   if (value.empty())
     return;