Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

BUG=330556
TEST=no change
[email protected]

Review URL: https://codereview.chromium.org/112913004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242466 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 20867fdf..d1884fd 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -2256,7 +2256,7 @@
   // Only allow a single background contents per app.
   bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension);
   BackgroundContents* existing =
-      service->GetAppBackgroundContents(ASCIIToUTF16(extension->id()));
+      service->GetAppBackgroundContents(base::ASCIIToUTF16(extension->id()));
   if (existing) {
     // For non-scriptable background contents, ignore the request altogether,
     // (returning true, so that a regular WebContents isn't created either).
@@ -2280,7 +2280,7 @@
                                         route_id,
                                         profile_,
                                         frame_name,
-                                        ASCIIToUTF16(extension->id()),
+                                        base::ASCIIToUTF16(extension->id()),
                                         partition_id,
                                         session_storage_namespace);