updated UI, default profile name, check for existing supervised user before create

chrome/browser/ui/webui/signin/signin_create_profile_handler.h

Index: chrome/browser/ui/webui/signin/signin_create_profile_handler.h
diff --git a/chrome/browser/ui/webui/signin/signin_create_profile_handler.h b/chrome/browser/ui/webui/signin/signin_create_profile_handler.h
index 05ebe6413c3369ccb133f0d208543a20192c0f30..a370e22cd690c885790a2fdb7becd9babfaff194 100644
--- a/chrome/browser/ui/webui/signin/signin_create_profile_handler.h
+++ b/chrome/browser/ui/webui/signin/signin_create_profile_handler.h
@@ -58,6 +58,10 @@ class SigninCreateProfileHandler : public content::WebUIMessageHandler {
   // Sends the array of default profile icon URLs to WebUI.
   void RequestDefaultProfileIcons(const base::ListValue* args);
 
+  // Sends an object to WebUI of the form: { "name": profileName } after
+  // "requestDefaultProfileIcons" is fulfilled.
+  void SendNewProfileDefaults();
+
   // Callback for the "requestSignedInProfiles" message.
   // Sends the email address of the signed-in user, or an empty string if the
   // user is not signed in. Also sends information about whether supervised
@@ -179,6 +183,8 @@ class SigninCreateProfileHandler : public content::WebUIMessageHandler {
   void RecordSupervisedProfileCreationMetrics(
       GoogleServiceAuthError::State error_state);
 
+  // Creates the supervised user with the given |supervised_user_id| if the user
+  // doesn't already exist on the machine.
   void DoCreateProfileIfPossible(const base::string16& name,
                                  const std::string& icon_url,
                                  bool create_shortcut,
@@ -190,6 +196,11 @@ class SigninCreateProfileHandler : public content::WebUIMessageHandler {
       supervised_user_registration_utility_;
 #endif
 
+  // Returns true if profile has signed into chrome.
+  bool IsAccountConnected(Profile* profile) const;
+  // Returns true if profile has authentication error.
+  bool HasAuthError(Profile* profile) const;
+
   base::WeakPtrFactory<SigninCreateProfileHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninCreateProfileHandler);