Pepper quota support

webkit/fileapi/file_system_file_util_proxy.cc

Index: webkit/fileapi/file_system_file_util_proxy.cc
diff --git a/webkit/fileapi/file_system_file_util_proxy.cc b/webkit/fileapi/file_system_file_util_proxy.cc
index dd8659585e01d2f28588b037d9fc8b522001845e..64ef8fdf2199a6470de17e011f53c0d77b5aea2b 100644
--- a/webkit/fileapi/file_system_file_util_proxy.cc
+++ b/webkit/fileapi/file_system_file_util_proxy.cc
@@ -72,9 +72,9 @@ class MessageLoopRelay
   fileapi::FileSystemFileUtil* file_system_file_util_;
 };
 
-class RelayCreateOrOpen : public MessageLoopRelay {
+class RelayCreateOrOpenAndQuerySize : public MessageLoopRelay {
  public:
-  RelayCreateOrOpen(
+  RelayCreateOrOpenAndQuerySize(
       const fileapi::FileSystemOperationContext& context,
       scoped_refptr<base::MessageLoopProxy> message_loop_proxy,
       const FilePath& file_path,
@@ -84,6 +84,7 @@ class RelayCreateOrOpen : public MessageLoopRelay {
         message_loop_proxy_(message_loop_proxy),
         file_path_(file_path),
         file_flags_(file_flags),
+        file_size_(-1),
         callback_(callback),
         file_handle_(base::kInvalidPlatformFileValue),
         created_(false) {
@@ -91,21 +92,34 @@ class RelayCreateOrOpen : public MessageLoopRelay {
   }
 
  protected:
-  virtual ~RelayCreateOrOpen() {
+  virtual ~RelayCreateOrOpenAndQuerySize() {
     if (file_handle_ != base::kInvalidPlatformFileValue)
       fileapi::FileSystemFileUtilProxy::Close(*context(),
           message_loop_proxy_, file_handle_, NULL);
   }
 
   virtual void RunWork() {
-    set_error_code(
-        file_system_file_util()->CreateOrOpen(
-            context(), file_path_, file_flags_, &file_handle_, &created_));
+    file_size_ = -1;
+    base::PlatformFileError error;
+    error = file_system_file_util()->CreateOrOpen(
+        context(), file_path_, file_flags_, &file_handle_, &created_);
+    if (error == base::PLATFORM_FILE_OK) {
+      if (created_) {
+        file_size_ = 0;
+      } else {
+        base::PlatformFileInfo file_info;
+        FilePath platform_path;
+        error = file_system_file_util()->GetFileInfo(
+            context(), file_path_, &file_info, &platform_path);
+        file_size_ = file_info.size;
+      }
+    }
+    set_error_code(error);
   }
 
   virtual void RunCallback() {
     callback_->Run(error_code(), base::PassPlatformFile(&file_handle_),
-                   created_);
+                   created_, file_size_);
     delete callback_;
   }
 
@@ -113,6 +127,7 @@ class RelayCreateOrOpen : public MessageLoopRelay {
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
   FilePath file_path_;
   int file_flags_;
+  int file_size_;
   fileapi::FileSystemFileUtilProxy::CreateOrOpenCallback* callback_;
   base::PlatformFile file_handle_;
   bool created_;
@@ -441,13 +456,14 @@ bool Start(const tracked_objects::Location& from_here,
 namespace fileapi {
 
 // static
-bool FileSystemFileUtilProxy::CreateOrOpen(
+bool FileSystemFileUtilProxy::CreateOrOpenAndQuerySize(
     const FileSystemOperationContext& context,
     scoped_refptr<MessageLoopProxy> message_loop_proxy,
     const FilePath& file_path, int file_flags,
     CreateOrOpenCallback* callback) {
-  return Start(FROM_HERE, message_loop_proxy, new RelayCreateOrOpen(context,
-      message_loop_proxy, file_path, file_flags, callback));
+  return Start(FROM_HERE, message_loop_proxy,
+      new RelayCreateOrOpenAndQuerySize(context,
+          message_loop_proxy, file_path, file_flags, callback));
 }
 
 // static