Move BrowserThread to content namespace.

chrome/browser/ui/webui/quota_internals_proxy.h

Index: chrome/browser/ui/webui/quota_internals_proxy.h
diff --git a/chrome/browser/ui/webui/quota_internals_proxy.h b/chrome/browser/ui/webui/quota_internals_proxy.h
index 7eca9a5f6c9605dab460da69e3674a4f0b1ea0bc..97e51cfc9083988d3a856201ca52617b89cfe9b0 100644
--- a/chrome/browser/ui/webui/quota_internals_proxy.h
+++ b/chrome/browser/ui/webui/quota_internals_proxy.h
@@ -29,8 +29,9 @@ typedef std::map<std::string, std::string> Statistics;
 // Each QuotaInternalsHandler instances creates and owns a instance of this
 // class.
 class QuotaInternalsProxy
-    : public base::RefCountedThreadSafe<QuotaInternalsProxy,
-                                        BrowserThread::DeleteOnIOThread> {
+    : public base::RefCountedThreadSafe<
+          QuotaInternalsProxy,
+          content::BrowserThread::DeleteOnIOThread> {
  public:
   explicit QuotaInternalsProxy(QuotaInternalsHandler* handler);
   ~QuotaInternalsProxy();
@@ -77,7 +78,8 @@ class QuotaInternalsProxy
   std::vector<PerHostStorageInfo> report_pending_;
 
   friend class QuotaInternalsHandler;
-  friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
+  friend struct content::BrowserThread::DeleteOnThread<
+      content::BrowserThread::IO>;
   friend class DeleteTask<QuotaInternalsProxy>;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaInternalsProxy);