Cleanup: IWYU for BrowserThread.

chrome/browser/extensions/extension_process_manager.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/command_line.h"
+#include "base/lazy_instance.h"
+#include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
-
-#include "chrome/browser/extensions/extension_event_router.h"
-#include "chrome/browser/ui/browser_window.h"
-#if defined(OS_MACOSX)
-#include "chrome/browser/extensions/extension_host_mac.h"
-#endif
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_view_type.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
 
+#if defined(OS_MACOSX)
+#include "chrome/browser/extensions/extension_host_mac.h"
+#endif
+
 using content::BrowserThread;
 using content::OpenURLParams;
 using content::Referrer;
 using content::SiteInstance;
 
 namespace {
 
 // An accessor for an extension's lazy_keepalive_count.
 // TODO(mpcomplete): Should we store this on ExtensionHost instead?
 static base::LazyInstance<base::PropertyAccessor<int> >
@@ skipping 213 matching lines @@
 
 ExtensionHost* ExtensionProcessManager::GetBackgroundHostForExtension(
     const std::string& extension_id) {
   for (ExtensionHostSet::iterator iter = background_hosts_.begin();
        iter != background_hosts_.end(); ++iter) {
     ExtensionHost* host = *iter;
     if (host->extension_id() == extension_id)
       return host;
   }
   return NULL;
-
 }
 
 std::set<RenderViewHost*>
     ExtensionProcessManager::GetRenderViewHostsForExtension(
         const std::string& extension_id) {
   std::set<RenderViewHost*> result;
 
   SiteInstance* site_instance = GetSiteInstanceForURL(
       Extension::GetBaseURLFromExtensionId(extension_id));
   if (!site_instance)
@@ skipping 48 matching lines @@
 
   return count;
 }
 
 int ExtensionProcessManager::DecrementLazyKeepaliveCount(
      const Extension* extension) {
   if (extension->background_page_persists())
     return 0;
 
   int& count = ::GetLazyKeepaliveCount(GetProfile(), extension);
-  DCHECK(count > 0);
+  DCHECK_GT(count, 0);
   if (--count == 0)
     OnLazyBackgroundPageIdle(extension->id());
 
   return count;
 }
 
 void ExtensionProcessManager::OnLazyBackgroundPageIdle(
     const std::string& extension_id) {
   ExtensionHost* host = GetBackgroundHostForExtension(extension_id);
   if (host && !HasVisibleViews(extension_id))
@@ skipping 208 matching lines @@
         if (service && service->is_ready())
           CreateBackgroundHostsForProfileStartup(this, service->extensions());
       }
       break;
     }
     default:
       ExtensionProcessManager::Observe(type, source, details);
       break;
   }
 }