Linux: work around the fact that the download dialog has not been ported....

chrome/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/render_widget_host.h"
 
 #include "base/histogram.h"
 #include "base/message_loop.h"
 #include "base/keyboard_codes.h"
 #include "chrome/browser/renderer_host/backing_store.h"
@@ skipping 283 matching lines @@
   // Avoid spamming the renderer with mouse move events.  It is important
   // to note that WM_MOUSEMOVE events are anyways synthetic, but since our
   // thread is able to rapidly consume WM_MOUSEMOVE events, we may get way
   // more WM_MOUSEMOVE events than we wish to send to the renderer.
   if (mouse_event.type == WebInputEvent::MouseMove) {
     if (mouse_move_pending_) {
       next_mouse_move_.reset(new WebMouseEvent(mouse_event));
       return;
     }
     mouse_move_pending_ = true;
+  } else if (mouse_event.type == WebInputEvent::MouseDown) {
+    OnUserGesture();
   }
 
   ForwardInputEvent(mouse_event, sizeof(WebMouseEvent));
 }
 
 void RenderWidgetHost::ForwardWheelEvent(
     const WebMouseWheelEvent& wheel_event) {
   ForwardInputEvent(wheel_event, sizeof(WebMouseWheelEvent));
 }
 
 void RenderWidgetHost::ForwardKeyboardEvent(
     const NativeWebKeyboardEvent& key_event) {
   if (key_event.type == WebKeyboardEvent::Char &&
       (key_event.windowsKeyCode == base::VKEY_RETURN ||
        key_event.windowsKeyCode == base::VKEY_SPACE)) {
-    OnEnterOrSpace();
+    OnUserGesture();
   }
 
   // Double check the type to make sure caller hasn't sent us nonsense that
   // will mess up our key queue.
   if (WebInputEvent::isKeyboardEventType(key_event.type)) {
     // Don't add this key to the queue if we have no way to send the message...
     if (!process_->channel())
       return;
 
     // Put all WebKeyboardEvent objects in a queue since we can't trust the
@@ skipping 399 matching lines @@
 
   // TODO(darin): do we need to do something else if our backing store is not
   // the same size as the advertised view?  maybe we just assume there is a
   // full paint on its way?
   BackingStore* backing_store = BackingStoreManager::Lookup(this);
   if (!backing_store || (backing_store->size() != view_size))
     return;
   backing_store->ScrollRect(process_->process().handle(), bitmap, bitmap_rect,
                             dx, dy, clip_rect, view_size);
 }