Add WebContents source to methods in WebContentsDelegate

extensions/browser/extension_host.cc

Index: extensions/browser/extension_host.cc
diff --git a/extensions/browser/extension_host.cc b/extensions/browser/extension_host.cc
index e19d14665c3edee43807ec653d212b040f6f6227..4f2941b134ab59305eaf1cce718ab201deaa4582 100644
--- a/extensions/browser/extension_host.cc
+++ b/extensions/browser/extension_host.cc
@@ -372,7 +372,8 @@ void ExtensionHost::RenderViewDeleted(RenderViewHost* render_view_host) {
     render_view_host_ = host_contents_->GetRenderViewHost();
 }
 
-content::JavaScriptDialogManager* ExtensionHost::GetJavaScriptDialogManager() {
+content::JavaScriptDialogManager* ExtensionHost::GetJavaScriptDialogManager(
+    WebContents* source) {
   return delegate_->GetJavaScriptDialogManager();
 }