Add FileUtilities::GetFileInfo() to capture file metadata with single IPC

webkit/glue/webfileutilities_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 "webkit/glue/webfileutilities_impl.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "net/base/file_stream.h"
 #include "net/base/net_util.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
 #include "webkit/glue/webkit_glue.h"
 
 using WebKit::WebString;
 
 namespace webkit_glue {
 
 WebFileUtilitiesImpl::WebFileUtilitiesImpl()
     : sandbox_enabled_(true) {
@@ skipping 33 matching lines @@
     NOTREACHED();
     return false;
   }
   base::PlatformFileInfo info;
   if (!file_util::GetFileInfo(WebStringToFilePath(path), &info))
     return false;
   result = info.last_modified.ToDoubleT();
   return true;
 }
 
+bool WebFileUtilitiesImpl::getFileInfo(const WebString& path,
+                                       WebKit::WebFileInfo& web_file_info) {
+  if (sandbox_enabled_) {
+    NOTREACHED();
+    return false;
+  }
+  base::PlatformFileInfo file_info;
+  if (!file_util::GetFileInfo(WebStringToFilePath(path), &file_info))
+    return false;
+
+  webkit_glue::PlatformFileInfoToWebFileInfo(file_info, &web_file_info);
+  web_file_info.platformPath = path;
+  return true;
+}
+
 WebString WebFileUtilitiesImpl::directoryName(const WebString& path) {
   FilePath file_path(WebStringToFilePathString(path));
   return FilePathToWebString(file_path.DirName());
 }
 
 WebString WebFileUtilitiesImpl::pathByAppendingComponent(
     const WebString& webkit_path,
     const WebString& webkit_component) {
   FilePath path(WebStringToFilePathString(webkit_path));
   FilePath component(WebStringToFilePathString(webkit_component));
@@ skipping 74 matching lines @@
 int WebFileUtilitiesImpl::writeToFile(base::PlatformFile handle,
                                       const char* data,
                                       int length) {
   if (handle == base::kInvalidPlatformFileValue || !data || length <= 0)
     return -1;
   net::FileStream file_stream(handle, base::PLATFORM_FILE_WRITE, NULL);
   return file_stream.WriteSync(data, length);
 }
 
 }  // namespace webkit_glue