Cleanup: Move ChromeClient::m_lastSetMouseCursorForTesting to ChromeClientImpl.

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index bfbcd3eed06c03578fe50aca2c909028e76ba50a..b55de1bfdb16761196fa724c9c2cbdd9f7b14f6d 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -629,8 +629,14 @@ void ChromeClientImpl::enumerateChosenDirectory(FileChooser* fileChooser)
         chooserCompletion->didChooseFile(WebVector<WebString>());
 }
 
-void ChromeClientImpl::setCursorInternal(const Cursor& cursor)
+Cursor ChromeClientImpl::lastSetCursorForTesting() const
 {
+    return m_lastSetMouseCursorForTesting;
+}
+
+void ChromeClientImpl::setCursor(const Cursor& cursor)
+{
+    m_lastSetMouseCursorForTesting = cursor;
     setCursor(WebCursorInfo(cursor));
 }