Styles pane is made work with IPC. Still not work and will be fixed later:...

webkit/glue/devtools/dom_agent_impl.h

 // Copyright (c) 2009 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 WEBKIT_GLUE_DEVTOOLS_DOM_AGENT_IMPL_H_
 #define WEBKIT_GLUE_DEVTOOLS_DOM_AGENT_IMPL_H_
 
 #include "config.h"
 
 #include <wtf/ListHashSet.h>
 #include <wtf/HashMap.h>
 #include <wtf/HashSet.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefPtr.h>
 
 #include "webkit/glue/devtools/dom_agent.h"
 
 namespace WebCore {
+class CSSRuleList;
 class Document;
 class Element;
 class Event;
+class NameNodeMap;
 class Node;
 }
 
+class DictionaryValue;
 class ListValue;
 class Value;
 
 // DomAgent implementation.
 class DomAgentImpl : public DomAgent {
  public:
   explicit DomAgentImpl(DomAgentDelegate* delegate);
   virtual ~DomAgentImpl();
 
   // DomAgent implementation.
   void GetDocumentElement();
   void GetChildNodes(int call_id, int element_id);
   void SetAttribute(
       int call_id,
       int element_id,
       const WebCore::String& name,
       const WebCore::String& value);
   void RemoveAttribute(
       int call_id,
       int element_id,
       const WebCore::String& name);
   void SetTextNodeValue(
       int call_id,
       int element_id,
       const WebCore::String& value);
   void PerformSearch(int call_id, const String& query);
+  void GetNodeStyles(int call_id, int id, bool author_only);
   void DiscardBindings();
 
   // Initializes dom agent with the given document.
   void SetDocument(WebCore::Document* document);
 
   // Returns node for given id according to the present binding.
   WebCore::Node* GetNodeForId(int id);
 
   // Returns id for given node according to the present binding.
   int GetIdForNode(WebCore::Node* node);
@@ skipping 56 matching lines @@
       WebCore::Element* element,
       int depth);
 
   // We represent embedded doms as a part of the same hierarchy. Hence we
   // treat children of frame owners differently. Following two methods
   // encapsulate frame owner specifics.
   WebCore::Node* InnerFirstChild(WebCore::Node* node);
   int InnerChildNodeCount(WebCore::Node* node);
   WebCore::Element* InnerParentElement(WebCore::Node* node);
 
+  // Helpers for GetNodeStyles
+  void BuildValueForCSSRules(WebCore::CSSRuleList& matched,
+                             ListValue& descriptionList);
+  void BuildValueForAttributeStyles(const WebCore::NamedNodeMap& attributes,
+                                    DictionaryValue& description);
+
   DomAgentDelegate* delegate_;
   HashMap<WebCore::Node*, int> node_to_id_;
   HashMap<int, WebCore::Node*> id_to_node_;
   HashSet<int> children_requested_;
   int last_node_id_;
   ListHashSet<RefPtr<WebCore::Document> > documents_;
   RefPtr<WebCore::EventListener> event_listener_;
   // Captures pending document element request's call id.
   // Defaults to 0 meaning no pending request.
   bool document_element_requested_;
 
   DISALLOW_COPY_AND_ASSIGN(DomAgentImpl);
 };
 
 #endif  // WEBKIT_GLUE_DEVTOOLS_DOM_AGENT_IMPL_H_