Introduce the WebState iOS provider interface.

ios/public/provider/web/web_state.h

Index: ios/public/provider/web/web_state.h
diff --git a/ios/public/provider/web/web_state.h b/ios/public/provider/web/web_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..8bab479f8ad56756de8b340fd0ba4eca54be0c39
--- /dev/null
+++ b/ios/public/provider/web/web_state.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.

[stuartmorgan, 2013/07/02 15:24:26]

s/(c) 2012/2013/

[blundell, 2013/07/02 16:16:37]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef IOS_PUBLIC_PROVIDER_WEB_WEB_STATE_H_
+#define IOS_PUBLIC_PROVIDER_WEB_WEB_STATE_H_
+
+#include "ios/public/consumer/base/supports_user_data.h"
+
+namespace ios {
+
+// Core interface for interaction with the web. There is one WebState per tab.

[stuartmorgan, 2013/07/02 15:24:26]

Since web/ is intended to parallel content/, we shouldn't mention the concept of
tabs. See the comment for WebContents.

[blundell, 2013/07/02 16:16:37]

Removed. Didn't add anything else, since this interface is empty at the current
time.

On 2013/07/02 15:24:26, stuartmorgan wrote:

+class WebState : public ios::SupportsUserData {
+ protected:
+   WebState() {}
+   virtual ~WebState() {}

[stuartmorgan, 2013/07/02 15:24:26]

These are intended one level too far. Also, why is the destructor protected?

[blundell, 2013/07/02 16:16:37]

Done.

+};
+
+}  // namespace ios
+
+#endif  // IOS_PUBLIC_PROVIDER_WEB_WEB_STATE_H_