Move modal dialogs from WebViewClient to WebFrameClient, part 1/3.

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index efce414d22c6b66990162ab006e2210e4e279c2a..8546b211119ad4afaaf7567b1268a7cffda3a624 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -7,6 +7,7 @@
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
+#include "content/public/common/javascript_message_type.h"
 
 class GURL;
 
@@ -65,6 +66,19 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
   virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
                                const ContextMenuParams& params) {}
 
+  // A JavaScript message, confirmation or prompt should be shown.
+  virtual void RunJavaScriptMessage(RenderFrameHost* rfh,
+                                    const base::string16& message,
+                                    const base::string16& default_prompt,
+                                    const GURL& frame_url,
+                                    JavaScriptMessageType type,
+                                    IPC::Message* reply_msg) {}
+
+  virtual void RunBeforeUnloadConfirm(RenderFrameHost* rfh,
+                                      const base::string16& message,
+                                      bool is_reload,
+                                      IPC::Message* reply_msg) {}
+
   // Return this object cast to a WebContents, if it is one. If the object is
   // not a WebContents, returns NULL.
   virtual WebContents* GetAsWebContents();