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

chrome/browser/jumplist_updater_win.cc

Index: chrome/browser/jumplist_updater_win.cc
diff --git a/chrome/browser/jumplist_updater_win.cc b/chrome/browser/jumplist_updater_win.cc
index 25e5ebf5541a1d8e3c3e3c3c381268c3191818a1..7230449dd72527bbeffcf39739c815003f06a3e8 100644
--- a/chrome/browser/jumplist_updater_win.cc
+++ b/chrome/browser/jumplist_updater_win.cc
@@ -82,8 +82,7 @@ bool AddShellLink(base::win::ScopedComPtr<IObjectCollection> collection,
 // ShellLinkItem
 
 ShellLinkItem::ShellLinkItem()
-    : command_line_(CommandLine::NO_PROGRAM),
-      icon_index_(0) {
+    : command_line_(base::CommandLine::NO_PROGRAM), icon_index_(0) {
 }
 
 ShellLinkItem::~ShellLinkItem() {}
@@ -92,7 +91,7 @@ std::wstring ShellLinkItem::GetArguments() const {
   return command_line_.GetArgumentsString();
 }
 
-CommandLine* ShellLinkItem::GetCommandLine() {
+base::CommandLine* ShellLinkItem::GetCommandLine() {
   return &command_line_;
 }
 
@@ -112,7 +111,8 @@ bool JumpListUpdater::IsEnabled() {
   // JumpList is implemented only on Windows 7 or later.
   // Do not create custom JumpLists in tests. See http://crbug.com/389375.
   return base::win::GetVersion() >= base::win::VERSION_WIN7 &&
-         !CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType);
+         !base::CommandLine::ForCurrentProcess()->HasSwitch(
+             switches::kTestType);
 }
 
 bool JumpListUpdater::BeginUpdate() {