Use embedded sign in UI for inline sign in flow

google_apis/gaia/gaia_urls.cc

Index: google_apis/gaia/gaia_urls.cc
diff --git a/google_apis/gaia/gaia_urls.cc b/google_apis/gaia/gaia_urls.cc
index 16bd9d628be89f6826a8bff3cf678264730f1076..97020f0891317a869205d5d64605d2e7254dd577 100644
--- a/google_apis/gaia/gaia_urls.cc
+++ b/google_apis/gaia/gaia_urls.cc
@@ -29,6 +29,7 @@ const char kOAuthWrapBridgeUrlSuffix[] = "OAuthWrapBridge";
 const char kOAuth1LoginUrlSuffix[] = "OAuthLogin";
 const char kOAuthRevokeTokenUrlSuffix[] = "AuthSubRevokeToken";
 const char kListAccountsSuffix[] = "ListAccounts";
+const char kEmbeddedSigninSuffix[] = "EmbeddedSignIn";
 
 // OAuth scopes
 const char kOAuth1LoginScope[] = "https://www.google.com/accounts/OAuthLogin";
@@ -105,6 +106,7 @@ GaiaUrls::GaiaUrls() {
   oauth_revoke_token_url_ = gaia_url_.Resolve(kOAuthRevokeTokenUrlSuffix);
   oauth1_login_url_ = gaia_url_.Resolve(kOAuth1LoginUrlSuffix);
   list_accounts_url_ = gaia_url_.Resolve(kListAccountsSuffix);
+  embedded_signin_url_ = gaia_url_.Resolve(kEmbeddedSigninSuffix);
 
   // URLs from accounts.google.com (LSO).
   get_oauth_token_url_ = lso_origin_url_.Resolve(kGetOAuthTokenUrlSuffix);
@@ -204,6 +206,10 @@ const GURL& GaiaUrls::list_accounts_url() const {
   return list_accounts_url_;
 }
 
+const GURL& GaiaUrls::embedded_signin_url() const {
+  return embedded_signin_url_;
+}
+
 const std::string& GaiaUrls::oauth1_login_scope() const {
   return oauth1_login_scope_;
 }