Profile shouldn't own ProfilePolicyConnector. Introduce BrowserPolicyConnector::Create.

ProfilePolicyConnector is now owned by ProfilePolicyConnectorFactory, using
Profile has a key. This uses the ProfileKeyedService infrastructure originally
created for ThemeServiceFactory.

Also introduce BrowserPolicyConnector::Create method to faciliate stubbing out
for binary-size reduction purposes.

BUG=77155
TEST=Existing

Review URL: http://codereview.chromium.org/6902036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@83143 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index 05ea4232..e318bf7 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -499,7 +499,7 @@
   if (!created_browser_policy_connector_) {
     DCHECK(browser_policy_connector_.get() == NULL);
     created_browser_policy_connector_ = true;
-    browser_policy_connector_.reset(new policy::BrowserPolicyConnector());
+    browser_policy_connector_.reset(policy::BrowserPolicyConnector::Create());
   }
   return browser_policy_connector_.get();
 }