Revert 283678 "Refactor code that defers extension background pa..."

This broke Chrome OS valgrind bots, for example:
http://build.chromium.org/p/chromium.memory.fyi/builders/Chromium%20OS%20%28valgrind%29%284%29/builds/27033

> Refactor code that defers extension background page loading
> 
> src/extensions depends on chrome::NOTIFICATION_PROFILE_CREATED to support deferred loading of extension background pages when the profile isn't ready yet. This is a layering violation.
> 
> * Remove Chrome concepts like "browser window ready" and "profile created" from ProcessManager. Introduce ProcessManagerDelegate with a general concept of deferring background page loading.
> * Consolidate all the tricky Chrome-specific background page loading rules into ChromeProcessManagerDelegate. This keeps all the rules in one place. Annotate each block of special case code with the bug that inspired it.
> * Extend unit test coverage for ProcessManager.
> 
> This will make it easier to eliminate chrome::NOTIFICATION_PROFILE_DESTROYED in ProcessManager in a later CL.
> 
> BUG=392658
> TEST=unit_tests ProcessManagerTest, browser_tests ProcessManagerBrowserTest, manual
> 
> Review URL: https://codereview.chromium.org/381283002

TBR=jamescook@chromium.org

Review URL: https://codereview.chromium.org/399153002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@283801 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 34 deletions

diff --git a/extensions/browser/process_manager_delegate.h b/extensions/browser/process_manager_delegate.h
deleted file mode 100644
index 7cc48c0..0000000
--- a/extensions/browser/process_manager_delegate.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// 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_MANAGER_DELEGATE_H_
-#define EXTENSIONS_BROWSER_PROCESS_MANAGER_DELEGATE_H_
-
-namespace content {
-class BrowserContext;
-};
-
-namespace extensions {
-
-// Customization of ProcessManager for the extension system embedder.
-class ProcessManagerDelegate {
- public:
-  virtual ~ProcessManagerDelegate() {}
-
-  // Returns true if the embedder allows background pages for the given
-  // |context|.
-  virtual bool IsBackgroundPageAllowed(
-      content::BrowserContext* context) const = 0;
-
-  // Returns true if the embedder wishes to defer starting up the renderers for
-  // extension background pages. If the embedder returns true it must call
-  // ProcessManager::MaybeCreateStartupBackgroundHosts() when it is ready. See
-  // ChromeProcessManagerDelegate for examples of how this is useful.
-  virtual bool DeferCreatingStartupBackgroundHosts(
-      content::BrowserContext* context) const = 0;
-};
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_BROWSER_PROCESS_MANAGER_DELEGATE_H_