DevTools: Add CSS.getPlatformFontsForNode in protocol.json

Source/core/inspector/InspectorDOMAgent.h

Index: Source/core/inspector/InspectorDOMAgent.h
diff --git a/Source/core/inspector/InspectorDOMAgent.h b/Source/core/inspector/InspectorDOMAgent.h
index 6cba33dc2fafea27b5f01dde7183226ce19de528..dc900b6b4f39ac4e56a2389effc3ad8bd0e9621e 100644
--- a/Source/core/inspector/InspectorDOMAgent.h
+++ b/Source/core/inspector/InspectorDOMAgent.h
@@ -44,6 +44,7 @@
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicString.h"
+#include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
@@ -63,6 +64,7 @@ class Node;
 class PlatformGestureEvent;
 class PlatformTouchEvent;
 class RevalidateStyleAttributeTask;
+class RenderText;
 class ShadowRoot;
 
 struct HighlightConfig;
@@ -141,6 +143,7 @@ public:
     virtual void highlightQuad(ErrorString*, const RefPtr<JSONArray>& quad, const RefPtr<JSONObject>* color, const RefPtr<JSONObject>* outlineColor);
     virtual void highlightNode(ErrorString*, const RefPtr<JSONObject>& highlightConfig, const int* nodeId, const String* objectId);
     virtual void highlightFrame(ErrorString*, const String& frameId, const RefPtr<JSONObject>* color, const RefPtr<JSONObject>* outlineColor);
+    virtual void getPlatformFontsForNode(WebCore::ErrorString*, int, WTF::RefPtr<WebCore::TypeBuilder::Array<WebCore::TypeBuilder::DOM::TextNodePlatformFonts> >&);
 
     virtual void moveTo(ErrorString*, int nodeId, int targetNodeId, const int* anchorNodeId, int* newNodeId);
     virtual void undo(ErrorString*);
@@ -235,6 +238,9 @@ private:
 
     Node* nodeForPath(const String& path);
 
+    String familyNameFromSimpleFontData(const SimpleFontData*);
+    void platformFontsForRenderer(RenderText*, StringBuilder&, RefPtr<TypeBuilder::Array<String> >&);
+
     void discardBackendBindings();
     void discardFrontendBindings();