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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "athena/extensions/public/extensions_delegate.h"
      6 
      7 #include "base/logging.h"
      8 
      9 namespace athena {
     10 namespace {
     11 
     12 ExtensionsDelegate* instance = NULL;
     13 
     14 }  // namespace
     15 
     16 ExtensionsDelegate::ExtensionsDelegate() {
     17   DCHECK(!instance);
     18   instance = this;
     19 }
     20 
     21 ExtensionsDelegate::~ExtensionsDelegate() {
     22   DCHECK(instance);
     23   instance = NULL;
     24 }
     25 
     26 // static
     27 ExtensionsDelegate* ExtensionsDelegate::Get(content::BrowserContext* context) {
     28   DCHECK(instance);
     29   DCHECK_EQ(context, instance->GetBrowserContext());
     30   return instance;
     31 }
     32 
     33 // static
     34 void ExtensionsDelegate::Shutdown() {
     35   DCHECK(instance);
     36   delete instance;
     37 }
     38 
     39 }  // namespace athena
     40