Add the ability to clear the shader disk cache.

content/browser/storage_partition_impl.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 "content/browser/storage_partition_impl.h"
 
 #include "base/utf_string_conversions.h"
 #include "content/browser/fileapi/browser_file_system_helper.h"
+#include "content/browser/gpu/shader_disk_cache.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/dom_storage_context.h"
 #include "content/public/browser/indexed_db_context.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_errors.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_context.h"
 #include "webkit/database/database_tracker.h"
@@ skipping 78 matching lines @@
         quota::kStorageTypeTemporary, base::Time(),
         base::Bind(&ClearQuotaManagedOriginsOnIOThread, quota_manager));
   }
   if (storage_mask & StoragePartition::kQuotaManagedPersistentStorage) {
     quota_manager->GetOriginsModifiedSince(
         quota::kStorageTypePersistent, base::Time(),
         base::Bind(&ClearQuotaManagedOriginsOnIOThread, quota_manager));
   }
 }
 
+void ClearedShaderCacheOnIOThread(base::Closure callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
+}
+
+void ClearShaderCacheOnIOThread(base::FilePath path,
+    base::Time begin, base::Time end, base::Closure callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  ShaderCacheFactory::GetInstance()->ClearByPath(
+      path, begin, end,
+      base::Bind(&ClearedShaderCacheOnIOThread, callback));
+}
+
 void OnLocalStorageUsageInfo(
     const scoped_refptr<DOMStorageContextImpl>& dom_storage_context,
     const std::vector<dom_storage::LocalStorageUsageInfo>& infos) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   for (size_t i = 0; i < infos.size(); ++i) {
     dom_storage_context->DeleteLocalStorage(infos[i].origin);
   }
 }
 
@@ skipping 169 matching lines @@
     dom_storage_context_->GetLocalStorageUsage(
         base::Bind(&OnLocalStorageUsageInfo, dom_storage_context_));
   }
 
   if (storage_mask & kSessionDomStorage) {
     dom_storage_context_->GetSessionStorageUsage(
         base::Bind(&OnSessionStorageUsageInfo, dom_storage_context_));
   }
 }
 
+void StoragePartitionImpl::AsyncClearDataBetween(uint32 storage_mask,
+      const base::Time& begin, const base::Time& end,
+      const base::Closure& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(storage_mask == kShaderStorage);
+
+  if (storage_mask & kShaderStorage) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&ClearShaderCacheOnIOThread, GetPath(), begin, end,
+            callback));
+  }
+}
+
 void StoragePartitionImpl::SetURLRequestContext(
     net::URLRequestContextGetter* url_request_context) {
   url_request_context_ = url_request_context;
 }
 
 void StoragePartitionImpl::SetMediaURLRequestContext(
     net::URLRequestContextGetter* media_url_request_context) {
   media_url_request_context_ = media_url_request_context;
 }
 
 }  // namespace content