mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.mm

Index: chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.mm
diff --git a/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.mm b/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.mm
index f1e44d943e92de0d1d41ea3b69f3d6191b68c845..93e537ce56213904cb617461500b61f6a892fc64 100644
--- a/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.mm
+++ b/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.mm
@@ -82,7 +82,7 @@ CollectedCookiesMac::CollectedCookiesMac(content::WebContents* web_contents) {
       initWithWebContents:web_contents
       collectedCookiesMac:this]);
 
-  scoped_nsobject<CustomConstrainedWindowSheet> sheet(
+  base::scoped_nsobject<CustomConstrainedWindowSheet> sheet(
       [[CustomConstrainedWindowSheet alloc]
           initWithCustomWindow:[sheet_controller_ window]]);
   window_.reset(new ConstrainedWindowMac(
@@ -170,7 +170,7 @@ void CollectedCookiesMac::OnConstrainedWindowClosed(
                                 green:kBannerGradientColorBottom[1]
                                  blue:kBannerGradientColorBottom[2]
                                 alpha:1.0];
-  scoped_nsobject<NSGradient> bannerGradient(
+  base::scoped_nsobject<NSGradient> bannerGradient(
       [[NSGradient alloc] initWithStartingColor:bannerStartingColor
                                     endingColor:bannerEndingColor]);
   [infoBar_ setGradient:bannerGradient];
@@ -382,7 +382,7 @@ void CollectedCookiesMac::OnConstrainedWindowClosed(
   // Create the Cocoa model.
   CookieTreeNode* root =
       static_cast<CookieTreeNode*>(allowedTreeModel_->GetRoot());
-  scoped_nsobject<CocoaCookieTreeNode> model(
+  base::scoped_nsobject<CocoaCookieTreeNode> model(
       [[CocoaCookieTreeNode alloc] initWithNode:root]);
   [self setCocoaAllowedTreeModel:model.get()];  // Takes ownership.
   root = static_cast<CookieTreeNode*>(blockedTreeModel_->GetRoot());