athena/extensions/extensions_delegate.cc

   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