Move creation of BrowserContext objects that live in content to content, instead of depending on th…

chrome/browser/memory_purger.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 "chrome/browser/memory_purger.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "chrome/common/render_messages.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
 #include "content/browser/renderer_host/backing_store_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "net/proxy/proxy_resolver.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "third_party/tcmalloc/chromium/src/google/malloc_extension.h"
 
+using content::BrowserContext;
 using content::BrowserThread;
 
 // PurgeMemoryHelper -----------------------------------------------------------
 
 // This is a small helper class used to ensure that the objects we want to use
 // on multiple threads are properly refed, so they don't get deleted out from
 // under us.
 class PurgeMemoryIOHelper
     : public base::RefCountedThreadSafe<PurgeMemoryIOHelper> {
  public:
@@ skipping 73 matching lines @@
 
     // Unload all web databases (freeing memory used to cache sqlite).
     WebDataService* web_data_service =
         profiles[i]->GetWebDataServiceWithoutCreating();
     if (web_data_service)
       web_data_service->UnloadDatabase();
 
     // Ask all WebKitContexts to purge memory (freeing memory used to cache
     // the LocalStorage sqlite DB).  WebKitContext creation is basically free so
     // we don't bother with a "...WithoutCreating()" function.
-    profiles[i]->GetWebKitContext()->PurgeMemory();
+    BrowserContext::GetWebKitContext(profiles[i])->PurgeMemory();
   }
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&PurgeMemoryIOHelper::PurgeMemoryOnIOThread,
                  purge_memory_io_helper.get()));
 
   // TODO(pkasting):
   // * Purge AppCache memory.  Not yet implemented sufficiently.
   // * Browser-side DatabaseTracker.  Not implemented sufficiently.
@@ skipping 19 matching lines @@
           content::RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance())
     PurgeRendererForHost(i.GetCurrentValue());
 }
 
 // static
 void MemoryPurger::PurgeRendererForHost(content::RenderProcessHost* host) {
   // Direct the renderer to free everything it can.
   host->Send(new ChromeViewMsg_PurgeMemory());
 }