Adds imageWriterPrivate support for Windows

chrome/browser/extensions/api/image_writer_private/operation.cc

 // Copyright 2013 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 "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/threading/worker_pool.h"
 #include "chrome/browser/extensions/api/image_writer_private/error_messages.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "third_party/zlib/google/zip.h"
 
 namespace extensions {
 namespace image_writer {
 
 using content::BrowserThread;
 
 namespace {
 
 const int kMD5BufferSize = 1024;
 
 void RemoveTempDirectory(const base::FilePath path) {
+  DVLOG(1) << "Removing temporary directory: " << path.value();
   base::DeleteFile(path, true);
 }
 
 }  // namespace
 
 Operation::Operation(base::WeakPtr<OperationManager> manager,
                      const ExtensionId& extension_id,
                      const std::string& storage_unit_id)
     : manager_(manager),
       extension_id_(extension_id),
@@ skipping 10 matching lines @@
 
   stage_ = image_writer_api::STAGE_NONE;
 
   CleanUp();
 }
 
 void Operation::Abort() {
   Error(error::kAborted);
 }
 
+void Operation::OnWriteImageSucceeded() {
+  Finish();
+}
+
+void Operation::OnWriteImageFailed(const std::string& message) {
+  Error(message);
+}
+
+void Operation::OnWriteImageProgress(int progress) {
+  SetProgress(progress);
+}
+
 void Operation::Error(const std::string& error_message) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::FILE)) {
     BrowserThread::PostTask(BrowserThread::FILE,
                             FROM_HERE,
                             base::Bind(&Operation::Error, this, error_message));
     return;
   }
 
   BrowserThread::PostTask(
       BrowserThread::UI,
@@ skipping 247 matching lines @@
       callback.Run(hash.Pass());
     }
   } else {  // len < 0
     reader->Close();
     Error(error::kReadImage);
   }
 }
 
 }  // namespace image_writer
 }  // namespace extensions