Make zoom using ctrl+mouse wheel work in win aura. Windows -non-aura had a hack that was a layering…

content/browser/renderer_host/render_widget_host_view_win.cc

Index: content/browser/renderer_host/render_widget_host_view_win.cc
===================================================================
--- content/browser/renderer_host/render_widget_host_view_win.cc	(revision 180972)
+++ content/browser/renderer_host/render_widget_host_view_win.cc	(working copy)
@@ -1875,25 +1875,7 @@
         reinterpret_cast<LPARAM>(toplevel_hwnd));
   }
 
-  // This is a bit of a hack, but will work for now since we don't want to
-  // pollute this object with WebContentsImpl-specific functionality...
-  bool handled_by_WebContentsImpl = false;
-  if (!is_fullscreen_ && GetParent()) {
-    // Use a special reflected message to break recursion. If we send
-    // WM_MOUSEWHEEL, the focus manager subclass of web contents will
-    // route it back here.
-    MSG new_message = {0};
-    new_message.hwnd = m_hWnd;
-    new_message.message = message;
-    new_message.wParam = wparam;
-    new_message.lParam = lparam;
-
-    handled_by_WebContentsImpl =
-        !!::SendMessage(GetParent(), base::win::kReflectedMessage, 0,
-                        reinterpret_cast<LPARAM>(&new_message));
-  }
-
-  if (!handled_by_WebContentsImpl && render_widget_host_) {
+  if (render_widget_host_) {
     render_widget_host_->ForwardWheelEvent(
         WebInputEventFactory::mouseWheelEvent(m_hWnd, message, wparam,
                                               lparam));