mac: Replace base::mac::ScopedCFTypeRef with base::ScopedCFTypeRef.

content/renderer/renderer_main_platform_delegate_mac.mm

Index: content/renderer/renderer_main_platform_delegate_mac.mm
diff --git a/content/renderer/renderer_main_platform_delegate_mac.mm b/content/renderer/renderer_main_platform_delegate_mac.mm
index c128cf03356f123c5ad87af73d2ab3595693da1f..e7cf9ffa4cdb7543858a5aaf55d1a7dd6537aa91 100644
--- a/content/renderer/renderer_main_platform_delegate_mac.mm
+++ b/content/renderer/renderer_main_platform_delegate_mac.mm
@@ -163,9 +163,9 @@ bool RendererMainPlatformDelegate::EnableSandbox() {
     // After the sandbox is initialized, call into TIS. Doing this before
     // the sandbox is in place will open up renderer access to the
     // pasteboard and an XPC connection to "com.apple.hiservices-xpcservice".
-    base::mac::ScopedCFTypeRef<TISInputSourceRef> layout_source(
+    base::ScopedCFTypeRef<TISInputSourceRef> layout_source(
         TISCopyCurrentKeyboardLayoutInputSource());
-    base::mac::ScopedCFTypeRef<TISInputSourceRef> input_source(
+    base::ScopedCFTypeRef<TISInputSourceRef> input_source(
         TISCopyCurrentKeyboardInputSource());
 
     CFTypeRef source_list[] = { layout_source.get(), input_source.get() };