Use gfx::NativeView rather than gfx::NativeWindow to identify web contents modal dialogs

chrome/browser/ui/native_web_contents_modal_dialog_manager.h

Index: chrome/browser/ui/native_web_contents_modal_dialog_manager.h
diff --git a/chrome/browser/ui/native_web_contents_modal_dialog_manager.h b/chrome/browser/ui/native_web_contents_modal_dialog_manager.h
index 7630b8c9ee010b5417c099c0ff30752d4d2d7e67..489ef55df549689e46402fb5a7970dd8c9c85809 100644
--- a/chrome/browser/ui/native_web_contents_modal_dialog_manager.h
+++ b/chrome/browser/ui/native_web_contents_modal_dialog_manager.h
@@ -17,10 +17,10 @@ class NativeWebContentsModalDialogManager {
   // Starts management of the modal aspects of the dialog.  This function should
   // also register to be notified when the dialog is closing, so that it can
   // notify the manager.
-  virtual void ManageDialog(gfx::NativeWindow window) = 0;
+  virtual void ManageDialog(gfx::NativeView view) = 0;
 
   // Closes the web contents modal dialog.
-  virtual void CloseDialog(gfx::NativeWindow window) = 0;
+  virtual void CloseDialog(gfx::NativeView view) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManager);