Address review comments.

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 ac31fdedf0aa618d5c1119d4746813f04c922309..8bcc309fbbad1245565265f658d93a0236d7960d 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -1520,9 +1520,9 @@ bool RenderView::handleCurrentKeyboardEvent() {
 
   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.
+    // In gtk and cocoa, 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.
     if (!frame->executeCommand(WebString::fromUTF8(it->name),
                                WebString::fromUTF8(it->value)))
       break;