1 files changed, 7 insertions, 3 deletions
diff --git a/Source/WebKit2/UIProcess/win/WebInspectorProxyWin.cpp b/Source/WebKit2/UIProcess/win/WebInspectorProxyWin.cpp
index 7637429..35d73ac 100644
--- a/Source/WebKit2/UIProcess/win/WebInspectorProxyWin.cpp
+++ b/Source/WebKit2/UIProcess/win/WebInspectorProxyWin.cpp
@@ -23,6 +23,7 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "config.h"
 #include "WebInspectorProxy.h"
 
 #if ENABLE(INSPECTOR)
@@ -171,10 +172,13 @@ void WebInspectorProxy::platformOpen()
 
 void WebInspectorProxy::platformClose()
 {
-    ASSERT(m_inspectorWindow);
-    ASSERT(m_inspectorView);
+    ASSERT(!m_isVisible || m_inspectorWindow);
+    ASSERT(!m_isVisible || m_inspectorView);
 
-    ::DestroyWindow(m_inspectorWindow);
+    if (m_inspectorWindow) {
+        ASSERT(::IsWindow(m_inspectorWindow));
+        ::DestroyWindow(m_inspectorWindow);
+    }
 
     m_inspectorWindow = 0;
     m_inspectorView = 0;