Propagate scrolling/marginwidth/marginheight property values to child frame.

components/html_viewer/html_frame_properties.h

 // Copyright 2015 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.
 
 #ifndef COMPONENTS_HTML_VIEWER_HTML_FRAME_PROPERTIES_H_
 #define COMPONENTS_HTML_VIEWER_HTML_FRAME_PROPERTIES_H_
 
 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/map.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/string.h"
 
 namespace blink {
 class WebFrame;
+struct WebFrameOwnerProperties;
 enum class WebSandboxFlags : int;
 class WebString;
 enum class WebTreeScopeType;
 }
 
 namespace url {
 class Origin;
 }
 
 // Functions used to communicate html specific state for each frame.
 namespace html_viewer {
 
 // Keys used for client properties.
 extern const char kPropertyFrameName[];
 extern const char kPropertyFrameOrigin[];
 extern const char kPropertyFrameSandboxFlags[];
 extern const char kPropertyFrameTreeScope[];
+extern const char kPropertyFrameOwnerProperties[];
 
 mojo::Array<uint8_t> FrameNameToClientProperty(const blink::WebString& name);
 blink::WebString FrameNameFromClientProperty(
     const mojo::Array<uint8_t>& new_data);
 
 mojo::Array<uint8_t> FrameTreeScopeToClientProperty(
     blink::WebTreeScopeType scope_type);
 bool FrameTreeScopeFromClientProperty(const mojo::Array<uint8_t>& new_data,
                                       blink::WebTreeScopeType* scope);
 
 mojo::Array<uint8_t> FrameSandboxFlagsToClientProperty(
     blink::WebSandboxFlags flags);
 bool FrameSandboxFlagsFromClientProperty(const mojo::Array<uint8_t>& new_data,
                                          blink::WebSandboxFlags* flags);
 
+mojo::Array<uint8_t> FrameOwnerPropertiesToClientProperty(
+    const blink::WebFrameOwnerProperties& owner_properties);
+
 url::Origin FrameOrigin(blink::WebFrame* frame);
 mojo::Array<uint8_t> FrameOriginToClientProperty(blink::WebFrame* frame);
 url::Origin FrameOriginFromClientProperty(const mojo::Array<uint8_t>& data);
+bool FrameOwnerPropertiesFromClientProperty(
+    const mojo::Array<uint8_t>& data,
+    blink::WebFrameOwnerProperties* owner_properties);
 
 // Convenience to add |value| to |client_properties| if non-null.
 void AddToClientPropertiesIfValid(
     const std::string& name,
     mojo::Array<uint8_t> value,
     mojo::Map<mojo::String, mojo::Array<uint8_t>>* client_properties);
 
 // Returns |properties[name]| if exists, otherwise a null array.
 mojo::Array<uint8_t> GetValueFromClientProperties(
     const std::string& name,
     const mojo::Map<mojo::String, mojo::Array<uint8_t>>& properties);
 
 }  // namespace html_viewer
 
 #endif  // COMPONENTS_HTML_VIEWER_HTML_FRAME_PROPERTIES_H_