base: Change DCHECK_IS_ON to a macro DCHECK_IS_ON().

chrome/browser/ui/toolbar/toolbar_actions_bar.cc

 // Copyright 2014 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/ui/toolbar/toolbar_actions_bar.h"
 
 #include "base/auto_reset.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 517 matching lines @@
   if (tab_order_helper_) {
     extra_icons = tab_order_helper_->GetExtraIconCount(
         SessionTabHelper::IdForTab(
             browser_->tab_strip_model()->GetActiveWebContents()));
   }
 
   size_t visible_icons = in_overflow_mode() ?
       toolbar_actions_.size() - main_bar_->GetIconCount() :
       model_->visible_icon_count() + extra_icons;
 
-#if DCHECK_IS_ON
+#if DCHECK_IS_ON()
   // Good time for some sanity checks: We should never try to display more
   // icons than we have, and we should always have a view per item in the model.
   // (The only exception is if this is in initialization.)
   if (!toolbar_actions_.empty() && !suppress_layout_ &&
       model_->extensions_initialized()) {
     size_t num_extension_actions = 0u;
     for (ToolbarActionViewController* action : toolbar_actions_) {
       // No component action should ever have a valid extension id, so we can
       // use this to check the extension amount.
       // TODO(devlin): Fix this to just check model size when the model also
@@ skipping 344 matching lines @@
   for (ToolbarActionViewController* action : toolbar_actions_) {
     if (action->GetId() == id)
       return action;
   }
   return nullptr;
 }
 
 content::WebContents* ToolbarActionsBar::GetCurrentWebContents() {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }