Fix cmd-up/cmd-down.

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index e86c27db86fc7c33685fcffceb6a224cf43f6bcd..542c0b8fef49af17dbbade6170416a1f2304ca54 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -1512,13 +1512,18 @@ bool RenderView::handleCurrentKeyboardEvent() {
   EditCommands::iterator it = edit_commands_.begin();
   EditCommands::iterator end = edit_commands_.end();
 
+  bool did_execute_command = false;
   for (; it != end; ++it) {
+    // In gtk, it's possible to bind multiple edit commands to one key (but it's
+    // the exception). Once one edit command is not executed, it seems safest to
+    // not execute the rest.

[jeremy, 2009/09/29 18:12:56]

Are we sure this isn't possible on OSX as well?
According to http://www.erasetotheleft.com/post/mac-os-x-key-bindings/ you can
bind a key to multiple edit commands on OS X.

[Nico, 2009/09/30 03:51:35]

Oh, this wasn't supposed to mean "only in gtk" but "for example in gtk". I guess
being explicit doesn't hurt. Done.

     if (!frame->executeCommand(WebString::fromUTF8(it->name),
                                WebString::fromUTF8(it->value)))
       break;
+    did_execute_command = true;
   }
 
-  return true;
+  return did_execute_command;
 }
 
 void RenderView::spellCheck(