[Storage] Cache storage inspection on all the frames!

Source/web/WebDevToolsAgentImpl.cpp

Index: Source/web/WebDevToolsAgentImpl.cpp
diff --git a/Source/web/WebDevToolsAgentImpl.cpp b/Source/web/WebDevToolsAgentImpl.cpp
index 68b177e1f26826181ae54b9e5137e6b8f1b790b1..19b7dc69035546e542d396d499266a9a0312aa62 100644
--- a/Source/web/WebDevToolsAgentImpl.cpp
+++ b/Source/web/WebDevToolsAgentImpl.cpp
@@ -74,6 +74,7 @@
 #include "modules/device_orientation/DeviceOrientationInspectorAgent.h"
 #include "modules/filesystem/InspectorFileSystemAgent.h"
 #include "modules/indexeddb/InspectorIndexedDBAgent.h"
+#include "modules/serviceworkers/InspectorServiceWorkerCacheAgent.h"
 #include "modules/storage/InspectorDOMStorageAgent.h"
 #include "modules/webdatabase/InspectorDatabaseAgent.h"
 #include "platform/JSONValues.h"
@@ -303,6 +304,7 @@ PassOwnPtrWillBeRawPtr<WebDevToolsAgentImpl> WebDevToolsAgentImpl::create(WebLoc
     agent->registerAgent(InspectorIndexedDBAgent::create(view->page()));
     agent->registerAgent(InspectorAccessibilityAgent::create(view->page()));
     agent->registerAgent(InspectorDOMStorageAgent::create(view->page()));
+    agent->registerAgent(InspectorServiceWorkerCacheAgent::create(view->page()));
     return adoptPtrWillBeNoop(agent);
 }