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

win8/delegate_execute/delegate_execute_util_unittest.cc

Index: win8/delegate_execute/delegate_execute_util_unittest.cc
diff --git a/win8/delegate_execute/delegate_execute_util_unittest.cc b/win8/delegate_execute/delegate_execute_util_unittest.cc
index 49c1776b7e68a3b7ebf2c2098e69615768de7627..63a5075bf6af8f0e03bb011a367f00459a7a4b7f 100644
--- a/win8/delegate_execute/delegate_execute_util_unittest.cc
+++ b/win8/delegate_execute/delegate_execute_util_unittest.cc
@@ -19,12 +19,12 @@ static const char kSomeSwitch[] = "some-switch";
 }  // namespace
 
 TEST(DelegateExecuteUtil, CommandLineFromParametersTest) {
-  CommandLine cl(CommandLine::NO_PROGRAM);
+  base::CommandLine cl(base::CommandLine::NO_PROGRAM);
 
   // Empty parameters means empty command-line string.
   cl = delegate_execute::CommandLineFromParameters(NULL);
   EXPECT_EQ(std::wstring(), cl.GetProgram().value());
-  EXPECT_EQ(CommandLine::StringType(), cl.GetCommandLineString());
+  EXPECT_EQ(base::CommandLine::StringType(), cl.GetCommandLineString());
 
   // Parameters with a switch are parsed properly.
   cl = delegate_execute::CommandLineFromParameters(
@@ -37,9 +37,10 @@ TEST(DelegateExecuteUtil, CommandLineFromParametersTest) {
 TEST(DelegateExecuteUtil, MakeChromeCommandLineTest) {
   static const wchar_t kSomeArgument[] = L"http://some.url/";
   static const wchar_t kOtherArgument[] = L"http://some.other.url/";
-  const base::FilePath this_exe(CommandLine::ForCurrentProcess()->GetProgram());
+  const base::FilePath this_exe(
+      base::CommandLine::ForCurrentProcess()->GetProgram());
 
-  CommandLine cl(CommandLine::NO_PROGRAM);
+  base::CommandLine cl(base::CommandLine::NO_PROGRAM);
 
   // Empty params and argument contains only the exe.
   cl = delegate_execute::MakeChromeCommandLine(
@@ -68,7 +69,7 @@ TEST(DelegateExecuteUtil, MakeChromeCommandLineTest) {
   EXPECT_EQ(5, cl.argv().size());
   EXPECT_EQ(this_exe.value(), cl.GetProgram().value());
   EXPECT_TRUE(cl.HasSwitch(kSomeSwitch));
-  CommandLine::StringVector args(cl.GetArgs());
+  base::CommandLine::StringVector args(cl.GetArgs());
   EXPECT_EQ(2, args.size());
   EXPECT_NE(
       args.end(),