Cleanup namespace usage in Source/web/Web[I-Z]*.cpp

Source/web/WebIDBKeyPath.cpp

Index: Source/web/WebIDBKeyPath.cpp
diff --git a/Source/web/WebIDBKeyPath.cpp b/Source/web/WebIDBKeyPath.cpp
index d18efd6eb90c081a0d5500753f4fdb93d96b75cb..76d4c417f3abc941aea0663b0d8cec47affc41a2 100644
--- a/Source/web/WebIDBKeyPath.cpp
+++ b/Source/web/WebIDBKeyPath.cpp
@@ -31,8 +31,6 @@
 #include "public/platform/WebVector.h"
 #include "wtf/Vector.h"
 
-using namespace blink;
-
 namespace blink {
 
 WebIDBKeyPath WebIDBKeyPath::create(const WebString& keyPath)
@@ -90,20 +88,20 @@ WebString WebIDBKeyPath::string() const
     return m_private->string();
 }
 
-WebIDBKeyPath::WebIDBKeyPath(const blink::IDBKeyPath& value)
+WebIDBKeyPath::WebIDBKeyPath(const IDBKeyPath& value)
     : m_private(new IDBKeyPath(value))
 {
     ASSERT(m_private.get());
 }
 
-WebIDBKeyPath& WebIDBKeyPath::operator=(const blink::IDBKeyPath& value)
+WebIDBKeyPath& WebIDBKeyPath::operator=(const IDBKeyPath& value)
 {
     ASSERT(m_private.get());
     m_private.reset(new IDBKeyPath(value));
     return *this;
 }
 
-WebIDBKeyPath::operator const blink::IDBKeyPath&() const
+WebIDBKeyPath::operator const IDBKeyPath&() const
 {
     ASSERT(m_private.get());
     return *(m_private.get());