QuotaManager: Return the remaining free disk space as quota.

chrome/browser/extensions/extension_special_storage_policy.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/extensions/extension_special_storage_policy.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
@@ skipping 23 matching lines @@
   base::AutoLock locker(lock_);
   return unlimited_extensions_.Contains(origin);
 }
 
 bool ExtensionSpecialStoragePolicy::IsStorageSessionOnly(const GURL& origin) {
   if (cookie_settings_ == NULL)
     return false;
   return cookie_settings_->IsCookieSessionOnly(origin);
 }
 
+bool ExtensionSpecialStoragePolicy::IsInstalledApp(const GURL& origin) {
+  return installed_apps_.Contains(origin);
+}
+
 bool ExtensionSpecialStoragePolicy::HasSessionOnlyOrigins() {
   if (cookie_settings_ == NULL)
     return false;
   if (cookie_settings_->GetDefaultCookieSetting(NULL) ==
       CONTENT_SETTING_SESSION_ONLY)
     return true;
   ContentSettingsForOneType entries;
   cookie_settings_->GetCookieSettings(&entries);
   for (size_t i = 0; i < entries.size(); ++i) {
     if (entries[i].setting == CONTENT_SETTING_SESSION_ONLY)
@@ skipping 26 matching lines @@
       !extension->HasAPIPermission(
           APIPermission::kUnlimitedStorage) &&
       !extension->HasAPIPermission(
           APIPermission::kFileBrowserHandler)) {
     return;
   }
   {
     base::AutoLock locker(lock_);
     if (NeedsProtection(extension))
       protected_apps_.Add(extension);
+    // FIXME: Does GrantRightsForExtension imply |extension| is installed?
+    if (extension->is_app())
+      installed_apps_.Add(extension);
     if (extension->HasAPIPermission(APIPermission::kUnlimitedStorage))
       unlimited_extensions_.Add(extension);
     if (extension->HasAPIPermission(
             APIPermission::kFileBrowserHandler)) {
       file_handler_extensions_.Add(extension);
     }
   }
   NotifyChanged();
 }
 
 void ExtensionSpecialStoragePolicy::RevokeRightsForExtension(
     const extensions::Extension* extension) {
   DCHECK(extension);
   if (!NeedsProtection(extension) &&
       !extension->HasAPIPermission(
           APIPermission::kUnlimitedStorage) &&
       !extension->HasAPIPermission(
           APIPermission::kFileBrowserHandler)) {
     return;
   }
   {
     base::AutoLock locker(lock_);
     if (NeedsProtection(extension))
       protected_apps_.Remove(extension);
+    if (extension->is_app())
+      installed_apps_.Remove(extension);
     if (extension->HasAPIPermission(APIPermission::kUnlimitedStorage))
       unlimited_extensions_.Remove(extension);
     if (extension->HasAPIPermission(APIPermission::kFileBrowserHandler))
       file_handler_extensions_.Remove(extension);
   }
   NotifyChanged();
 }
 
 void ExtensionSpecialStoragePolicy::RevokeRightsForAllExtensions() {
   {
     base::AutoLock locker(lock_);
     protected_apps_.Clear();
+    installed_apps_.Clear();
     unlimited_extensions_.Clear();
     file_handler_extensions_.Clear();
   }
   NotifyChanged();
 }
 
 void ExtensionSpecialStoragePolicy::NotifyChanged() {
   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
         base::Bind(&ExtensionSpecialStoragePolicy::NotifyChanged, this));
@@ skipping 53 matching lines @@
 
 void ExtensionSpecialStoragePolicy::SpecialCollection::Clear() {
   ClearCache();
   extensions_.Clear();
 }
 
 void ExtensionSpecialStoragePolicy::SpecialCollection::ClearCache() {
   STLDeleteValues(&cached_results_);
   cached_results_.clear();
 }