Use base::Callback in Quota related code.

content/browser/in_process_webkit/indexed_db_context.cc

Index: content/browser/in_process_webkit/indexed_db_context.cc
diff --git a/content/browser/in_process_webkit/indexed_db_context.cc b/content/browser/in_process_webkit/indexed_db_context.cc
index 99b0330743c4cde5c10aad3c6f2a427ade68c159..59fc64ae14849029a2b46fe608ed553f2b76fff6 100644
--- a/content/browser/in_process_webkit/indexed_db_context.cc
+++ b/content/browser/in_process_webkit/indexed_db_context.cc
@@ -4,6 +4,7 @@
 
 #include "content/browser/in_process_webkit/indexed_db_context.h"
 
+#include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ -87,41 +88,6 @@ const FilePath::CharType IndexedDBContext::kIndexedDBDirectory[] =
 const FilePath::CharType IndexedDBContext::kIndexedDBExtension[] =
     FILE_PATH_LITERAL(".leveldb");
 
-class IndexedDBContext::IndexedDBGetUsageAndQuotaCallback :
-    public quota::QuotaManager::GetUsageAndQuotaCallback {
- public:
-  IndexedDBGetUsageAndQuotaCallback(IndexedDBContext* context,
-                                    const GURL& origin_url)
-      : context_(context),
-        origin_url_(origin_url) {
-  }
-
-  void Run(quota::QuotaStatusCode status, int64 usage, int64 quota) {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-    DCHECK(status == quota::kQuotaStatusOk || status == quota::kQuotaErrorAbort)
-        << "status was " << status;
-    if (status == quota::kQuotaErrorAbort) {
-      // We seem to no longer care to wait around for the answer.
-      return;
-    }
-    BrowserThread::PostTask(BrowserThread::WEBKIT, FROM_HERE,
-        NewRunnableMethod(context_.get(),
-                          &IndexedDBContext::GotUpdatedQuota,
-                          origin_url_,
-                          usage,
-                          quota));
-  }
-
-  virtual void RunWithParams(
-        const Tuple3<quota::QuotaStatusCode, int64, int64>& params) {
-    Run(params.a, params.b, params.c);
-  }
-
- private:
-  scoped_refptr<IndexedDBContext> context_;
-  const GURL origin_url_;
-};
-
 IndexedDBContext::IndexedDBContext(
     WebKitContext* webkit_context,
     quota::SpecialStoragePolicy* special_storage_policy,
@@ -316,6 +282,25 @@ void IndexedDBContext::QueryDiskAndUpdateQuotaUsage(const GURL& origin_url) {
   }
 }
 
+void IndexedDBContext::GotUsageAndQuota(const GURL& origin_url,
+                                        quota::QuotaStatusCode status,
+                                        int64 usage, int64 quota) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK(status == quota::kQuotaStatusOk || status == quota::kQuotaErrorAbort)
+      << "status was " << status;
+  if (status == quota::kQuotaErrorAbort) {
+    // We seem to no longer care to wait around for the answer.
+    return;
+  }
+  BrowserThread::PostTask(
+      BrowserThread::WEBKIT, FROM_HERE,
+      NewRunnableMethod(this,
+                        &IndexedDBContext::GotUpdatedQuota,
+                        origin_url,
+                        usage,
+                        quota));
+}
+
 void IndexedDBContext::GotUpdatedQuota(const GURL& origin_url, int64 usage,
                                        int64 quota) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
@@ -334,12 +319,11 @@ void IndexedDBContext::QueryAvailableQuota(const GURL& origin_url) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!quota_manager_proxy()->quota_manager())
     return;
-  IndexedDBGetUsageAndQuotaCallback* callback =
-      new IndexedDBGetUsageAndQuotaCallback(this, origin_url);
   quota_manager_proxy()->quota_manager()->GetUsageAndQuota(
       origin_url,
       quota::kStorageTypeTemporary,
-      callback);
+      base::Bind(&IndexedDBContext::GotUsageAndQuota,
+                 this, origin_url));
 }
 
 std::set<GURL>* IndexedDBContext::GetOriginSet() {