<webview>: Move JavaScript Dialog API to chrome

content/public/browser/browser_plugin_guest_delegate.h

Index: content/public/browser/browser_plugin_guest_delegate.h
diff --git a/content/public/browser/browser_plugin_guest_delegate.h b/content/public/browser/browser_plugin_guest_delegate.h
index 2ea53676d007d862d3e0232fa4d5c4d6168fc39b..efb036cd2060516ed45a73a1bd5c59090dcae781 100644
--- a/content/public/browser/browser_plugin_guest_delegate.h
+++ b/content/public/browser/browser_plugin_guest_delegate.h
@@ -18,6 +18,7 @@
 
 namespace content {
 
+class JavaScriptDialogManager;
 struct NativeWebKeyboardEvent;
 
 // Objects implement this interface to get notified about changes in the guest
@@ -122,6 +123,10 @@ class CONTENT_EXPORT BrowserPluginGuestDelegate {
       bool user_gesture,
       bool last_unlocked_by_target,
       const base::Callback<void(bool)>& callback) {}
+
+  // Returns a pointer to a service to manage JavaScript dialogs. May return
+  // NULL in which case dialogs aren't shown.
+  virtual JavaScriptDialogManager* GetJavaScriptDialogManager();
 };
 
 }  // namespace content