Upstream ios/web_view source code.

ios/web_view/shell/shell_delegate.mm

Index: ios/web_view/shell/shell_delegate.mm
diff --git a/ios/web_view/shell/shell_delegate.mm b/ios/web_view/shell/shell_delegate.mm
new file mode 100644
index 0000000000000000000000000000000000000000..fea811a5fe40b3a57eb729f22682b8e58aee5980
--- /dev/null
+++ b/ios/web_view/shell/shell_delegate.mm
@@ -0,0 +1,13 @@
+// Copyright 2014 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.
+
+#import "ios/web_view/shell/shell_delegate.h"
+
+@implementation ShellDelegate
+
+- (NSString*)partialUserAgent {
+  return @"Dummy/1.0";
+}
+
+@end