Set allowed bytes growth in FileSystemOperation from QuotaManager.

It sets allowed bytes growth before copy(/move)/write/truncate.

It includes :
1) rewriting FileSystemOperationTest with using FileSystemContext, PathManager and QuotaManager, and
2) switching the callee of LocalFileSystemFileUtil into QuotaFileUtil.


BUG=74841
TEST=FileSystemOperationTest.*, FileSystemOperationWriteTest.*

Review URL: http://codereview.chromium.org/6865008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@84776 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 16 insertions, 3 deletions

diff --git a/webkit/quota/quota_manager.cc b/webkit/quota/quota_manager.cc
index 0f18532..bd00f60 100644
--- a/webkit/quota/quota_manager.cc
+++ b/webkit/quota/quota_manager.cc
@@ -519,6 +519,15 @@ void QuotaManager::DeleteOnCorrectThread() const {
 
 // QuotaManagerProxy ----------------------------------------------------------
 
+void QuotaManagerProxy::GetUsageAndQuota(
+     const GURL& origin,
+     StorageType type,
+     QuotaManager::GetUsageAndQuotaCallback* callback) {
+  DCHECK(io_thread_->BelongsToCurrentThread());
+  if (manager_)
+    manager_->GetUsageAndQuota(origin, type, callback);
+}
+
 void QuotaManagerProxy::RegisterClient(QuotaClient* client) {
   if (!io_thread_->BelongsToCurrentThread()) {
     io_thread_->PostTask(FROM_HERE, NewRunnableMethod(
diff --git a/webkit/quota/quota_manager.h b/webkit/quota/quota_manager.h
index eb8d70f..16c0588 100644
--- a/webkit/quota/quota_manager.h
+++ b/webkit/quota/quota_manager.h
@@ -54,9 +54,10 @@ class QuotaManager : public QuotaTaskObserver,
   QuotaManagerProxy* proxy() { return proxy_.get(); }
 
   // Called by clients or webapps.
-  void GetUsageAndQuota(const GURL& origin,
-                        StorageType type,
-                        GetUsageAndQuotaCallback* callback);
+  // This method is declared as virtual to allow test code to override it.
+  virtual void GetUsageAndQuota(const GURL& origin,
+                                StorageType type,
+                                GetUsageAndQuotaCallback* callback);
 
   // Called by webapps.
   void RequestQuota(const GURL& origin,
@@ -158,6 +159,9 @@ struct QuotaManagerDeleter {
 class QuotaManagerProxy
     : public base::RefCountedThreadSafe<QuotaManagerProxy> {
  public:
+  void GetUsageAndQuota(const GURL& origin,
+                        StorageType type,
+                        QuotaManager::GetUsageAndQuotaCallback* callback);
   void RegisterClient(QuotaClient* client);
   void NotifyStorageModified(QuotaClient::ID client_id,
                             const GURL& origin,