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chrome/browser/renderer_host/render_widget_host.h

Index: chrome/browser/renderer_host/render_widget_host.h
diff --git a/chrome/browser/renderer_host/render_widget_host.h b/chrome/browser/renderer_host/render_widget_host.h
index c55149880829d5d0ec57e0c97a31206e09c331c4..eaea0565f9e39112471c4b02d1fbe2569596a960 100644
--- a/chrome/browser/renderer_host/render_widget_host.h
+++ b/chrome/browser/renderer_host/render_widget_host.h
@@ -338,10 +338,14 @@ class RenderWidgetHost : public IPC::Channel::Listener {
   // This is used for various IPC messages, including plugins.
   gfx::NativeViewId GetNativeViewId();
 
-  // Called when we an InputEvent was not processed by the renderer. This is
+  // Called when an InputEvent was not processed by the renderer. This is
   // overridden by RenderView to send upwards to its delegate.
   virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event) {}
 
+  // Called when an InputEvent was not processed by the renderer. This is
+  // overridden by RenderView to send upwards to its delegate.
+  virtual void UnhandledMouseButtonEvent(const WebKit::WebMouseEvent* event) {}
+
   // Notification that the user has made some kind of input that could
   // perform an action. The render view host overrides this to forward the
   // information to its delegate (see corresponding function in
@@ -492,6 +496,14 @@ class RenderWidgetHost : public IPC::Channel::Listener {
   // back to whatever unhandled handler instead of the returned version.
   KeyQueue key_queue_;
 
+  // Queue of mouse button events that we need to track.
+  typedef std::queue<WebKit::WebMouseEvent*> MouseButtonQueue;
+
+  // A queue of keyboard events. We can't trust data from the renderer so we
+  // stuff key events into a queue and pop them out on ACK, feeding our copy
+  // back to whatever unhandled handler instead of the returned version.
+  MouseButtonQueue mouse_button_queue_;
+
   // Set when we update the text direction of the selected input element.
   bool text_direction_updated_;
   WebTextDirection text_direction_;