[Spellcheck] Make sure context menu and actual spellcheck state are in sync.

chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm

 // Copyright (c) 2012 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.
 
 #import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h"
 
 #include <cmath>
 
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/debugger/devtools_window.h"
@@ skipping 274 matching lines @@
   SEL action = [item action];
 
   // For now, this action is always enabled for render view;
   // this is sub-optimal.
   // TODO(suzhe): Plumb the "can*" methods up from WebCore.
   if (action == @selector(checkSpelling:)) {
     *valid = renderWidgetHost_->IsRenderView();
     return YES;
   }
 
+  // TODO(groby): Clarify who sends this and if toggleContinuousSpellChecking:
+  // is still necessary.
   if (action == @selector(toggleContinuousSpellChecking:)) {
     if ([(id)item respondsToSelector:@selector(setState:)]) {
       content::RenderProcessHost* host = renderWidgetHost_->GetProcess();
       Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
       DCHECK(profile);
       spellcheckChecked_ =
           profile->GetPrefs()->GetBoolean(prefs::kEnableSpellCheck);
       NSCellStateValue checkedState =
           spellcheckChecked_ ? NSOnState : NSOffState;
       [(id)item setState:checkedState];
@@ skipping 49 matching lines @@
       spellcheck_mac::SpellingPanelVisible()));
 }
 
 - (void)toggleContinuousSpellChecking:(id)sender {
   content::RenderProcessHost* host = renderWidgetHost_->GetProcess();
   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
   DCHECK(profile);
   PrefService* pref = profile->GetPrefs();
   pref->SetBoolean(prefs::kEnableSpellCheck,
                    !pref->GetBoolean(prefs::kEnableSpellCheck));
-  renderWidgetHost_->Send(
-      new SpellCheckMsg_ToggleSpellCheck(renderWidgetHost_->GetRoutingID()));
 }
 
 - (void)spellCheckEnabled:(BOOL)enabled checked:(BOOL)checked {
   spellcheckEnabled_ = enabled;
   spellcheckChecked_ = checked;
 }
 
 // END Spellchecking methods
 
 @end