Implement stream based cross file system copy.

webkit/common/fileapi/file_system_util.cc

Index: webkit/common/fileapi/file_system_util.cc
diff --git a/webkit/common/fileapi/file_system_util.cc b/webkit/common/fileapi/file_system_util.cc
index 6229bc22c795e4e4610d3f85e1e3b0b139052566..0f0710bb0ba1f47f503af5879878c3d80ccadfff 100644
--- a/webkit/common/fileapi/file_system_util.cc
+++ b/webkit/common/fileapi/file_system_util.cc
@@ -11,6 +11,7 @@
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#include "net/base/net_errors.h"
 #include "url/gurl.h"
 #include "webkit/common/database/database_identifier.h"
 
@@ -396,4 +397,36 @@ std::string GetExternalFileSystemRootURIString(
   return root;
 }
 
+base::PlatformFileError NetErrorToPlatformFileError(int error) {

[kinuko, 2013/09/23 22:10:20]

It's really great if you could split this CL.  (You can ask tzik@ to stamp it
quickly while I'm in US)

[hidehiko, 2013/09/24 02:06:15]

Done. crrev.com/24300003
I'll rebase this onto it after the CL is landed.

+  switch (error) {
+    case net::OK:
+      return base::PLATFORM_FILE_OK;
+    case net::ERR_ADDRESS_IN_USE:
+      return base::PLATFORM_FILE_ERROR_IN_USE;
+    case net::ERR_FILE_EXISTS:
+      return base::PLATFORM_FILE_ERROR_EXISTS;
+    case net::ERR_FILE_NOT_FOUND:
+      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    case net::ERR_ACCESS_DENIED:
+      return base::PLATFORM_FILE_ERROR_ACCESS_DENIED;
+    case net::ERR_TOO_MANY_SOCKET_STREAMS:
+      return base::PLATFORM_FILE_ERROR_TOO_MANY_OPENED;
+    case net::ERR_OUT_OF_MEMORY:
+      return base::PLATFORM_FILE_ERROR_NO_MEMORY;
+    case net::ERR_FILE_NO_SPACE:
+      return base::PLATFORM_FILE_ERROR_NO_SPACE;
+    case net::ERR_INVALID_ARGUMENT:
+    case net::ERR_INVALID_HANDLE:
+      return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+    case net::ERR_ABORTED:
+    case net::ERR_CONNECTION_ABORTED:
+      return base::PLATFORM_FILE_ERROR_ABORT;
+    case net::ERR_ADDRESS_INVALID:
+    case net::ERR_INVALID_URL:
+      return base::PLATFORM_FILE_ERROR_INVALID_URL;
+    default:
+      return base::PLATFORM_FILE_ERROR_FAILED;
+  }
+}
+
 }  // namespace fileapi