Cleanup namespace usage in public/web/Web[A-M]*.h.

public/web/WebAXObject.h

Index: public/web/WebAXObject.h
diff --git a/public/web/WebAXObject.h b/public/web/WebAXObject.h
index 60b4853ab7e41b24a43c3ab6127efa1c7bf135f7..1595d141e164ee84fabdb571c2346118f21a5e57 100644
--- a/public/web/WebAXObject.h
+++ b/public/web/WebAXObject.h
@@ -40,10 +40,9 @@
 namespace WTF { template <typename T> class PassRefPtr; }
 #endif
 
-namespace blink { class AXObject; }
-
 namespace blink {
 
+class AXObject;
 class WebNode;
 class WebDocument;
 class WebString;
@@ -217,13 +216,13 @@ public:
     BLINK_EXPORT void scrollToGlobalPoint(const WebPoint&) const;
 
 #if BLINK_IMPLEMENTATION
-    WebAXObject(const WTF::PassRefPtr<blink::AXObject>&);
-    WebAXObject& operator=(const WTF::PassRefPtr<blink::AXObject>&);
-    operator WTF::PassRefPtr<blink::AXObject>() const;
+    WebAXObject(const WTF::PassRefPtr<AXObject>&);
+    WebAXObject& operator=(const WTF::PassRefPtr<AXObject>&);
+    operator WTF::PassRefPtr<AXObject>() const;
 #endif
 
 private:
-    WebPrivatePtr<blink::AXObject> m_private;
+    WebPrivatePtr<AXObject> m_private;
 };
 
 } // namespace blink