Cleanup: Use base::CommandLine in mojo/

mojo/common/test/multiprocess_test_helper.cc

Index: mojo/common/test/multiprocess_test_helper.cc
===================================================================
--- mojo/common/test/multiprocess_test_helper.cc	(revision 272151)
+++ mojo/common/test/multiprocess_test_helper.cc	(working copy)
@@ -33,7 +33,8 @@
 
   std::string test_child_main = test_child_name + "TestChildMain";
 
-  CommandLine command_line(base::GetMultiProcessTestChildBaseCommandLine());
+  base::CommandLine command_line(
+      base::GetMultiProcessTestChildBaseCommandLine());
   embedder::HandlePassingInformation handle_passing_info;
   platform_channel_pair_->PrepareToPassClientHandleToChildProcess(
       &command_line, &handle_passing_info);
@@ -72,10 +73,10 @@
 
 // static
 void MultiprocessTestHelper::ChildSetup() {
-  CHECK(CommandLine::InitializedForCurrentProcess());
+  CHECK(base::CommandLine::InitializedForCurrentProcess());
   client_platform_handle =
       embedder::PlatformChannelPair::PassClientHandleFromParentProcess(
-          *CommandLine::ForCurrentProcess());
+          *base::CommandLine::ForCurrentProcess());
 }
 
 // static