Convert extensions::ProcessMap to BrowserContextKeyedService

This allows us to remove more ExtensionService dependencies, which we need
to do because app_shell doesn't have an ExtensionService.

BUG=334706
TEST=existing unit_tests, browser_tests
TBR=sky@chromium.org for mechanical changes across the non-extensions bits of chrome/browser/

Review URL: https://codereview.chromium.org/139943005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245556 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 42 insertions, 0 deletions

diff --git a/extensions/browser/process_map_factory.h b/extensions/browser/process_map_factory.h
new file mode 100644
index 0000000..0a62dc7
--- /dev/null
+++ b/extensions/browser/process_map_factory.h
@@ -0,0 +1,42 @@
+// 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.
+
+#ifndef EXTENSIONS_BROWSER_PROCESS_MAP_FACTORY_H_
+#define EXTENSIONS_BROWSER_PROCESS_MAP_FACTORY_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/singleton.h"
+#include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
+
+namespace extensions {
+
+class ProcessMap;
+
+// Factory for ProcessMap objects. ProcessMap objects are shared between an
+// incognito browser context and its master browser context.
+class ProcessMapFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static ProcessMap* GetForBrowserContext(content::BrowserContext* context);
+
+  static ProcessMapFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<ProcessMapFactory>;
+
+  ProcessMapFactory();
+  virtual ~ProcessMapFactory();
+
+  // BrowserContextKeyedServiceFactory implementation:
+  virtual BrowserContextKeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const OVERRIDE;
+  virtual content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProcessMapFactory);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_PROCESS_MAP_FACTORY_H_