Remove JS dialog dependency from content.

content/browser/tab_contents/tab_contents_delegate.h

Index: content/browser/tab_contents/tab_contents_delegate.h
diff --git a/content/browser/tab_contents/tab_contents_delegate.h b/content/browser/tab_contents/tab_contents_delegate.h
index 16d4e7a2c31c111738dd54a10bdd38d5357dd203..0645128b9add09ea15037d25547eb3260f806efb 100644
--- a/content/browser/tab_contents/tab_contents_delegate.h
+++ b/content/browser/tab_contents/tab_contents_delegate.h
@@ -15,6 +15,10 @@
 #include "ui/gfx/native_widget_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
+namespace content {
+class JavaScriptDialogCreator;
+}
+
 namespace gfx {
 class Point;
 class Rect;
@@ -299,6 +303,11 @@ class TabContentsDelegate {
       TabContents* tab,
       const MainFrameCommitDetails& details);
 
+  // Returns a pointer to a service to create JavaScript dialogs. The default
+  // pointer returned is to a stub service that marks all dialogs as suppressed
+  // and displays nothing.
+  virtual content::JavaScriptDialogCreator* GetJavaScriptDialogCreator();
+
  protected:
   virtual ~TabContentsDelegate();
 };