Revert of DevTools: Introduce module initializers

Source/devtools/front_end/extensions/ExtensionServer.js

Index: Source/devtools/front_end/extensions/ExtensionServer.js
diff --git a/Source/devtools/front_end/extensions/ExtensionServer.js b/Source/devtools/front_end/extensions/ExtensionServer.js
index 317925902a3c723ddc3427d5071d8ebe043dd5ad..6224ec8dcd677834128309353ab167e358619aa3 100644
--- a/Source/devtools/front_end/extensions/ExtensionServer.js
+++ b/Source/devtools/front_end/extensions/ExtensionServer.js
@@ -28,6 +28,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+
+importScript("ExtensionAPI.js");
+importScript("ExtensionRegistryStub.js");
+importScript("ExtensionAuditCategory.js");
+
 /**
  * @constructor
  * @implements {WebInspector.ExtensionServerAPI}
@@ -1095,3 +1100,6 @@
 
 WebInspector.extensionAPI = {};
 defineCommonExtensionSymbols(WebInspector.extensionAPI);
+
+importScript("ExtensionPanel.js");
+importScript("ExtensionView.js");