Revert of DevTools: use per-LocalFrame instrumenting agents instead of per-Page ones.

Source/core/inspector/InspectorDOMStorageAgent.cpp

Index: Source/core/inspector/InspectorDOMStorageAgent.cpp
diff --git a/Source/core/inspector/InspectorDOMStorageAgent.cpp b/Source/core/inspector/InspectorDOMStorageAgent.cpp
index 3bd0d98886f8f4c34ff61abced2fe3e7a3c71fc8..ee057a76dfb217951b024b8b5d2d6a8b7496cddd 100644
--- a/Source/core/inspector/InspectorDOMStorageAgent.cpp
+++ b/Source/core/inspector/InspectorDOMStorageAgent.cpp
@@ -40,6 +40,7 @@
 #include "core/inspector/InstrumentingAgents.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
+#include "core/page/Page.h"
 #include "core/storage/Storage.h"
 #include "core/storage/StorageNamespace.h"
 #include "core/storage/StorageNamespaceController.h"
@@ -185,9 +186,9 @@
         .setIsLocalStorage(isLocalStorage).release();
 }
 
-void InspectorDOMStorageAgent::didDispatchDOMStorageEvent(LocalFrame* frame, const String& key, const String& oldValue, const String& newValue, StorageType storageType, SecurityOrigin* securityOrigin)
-{
-    if (!m_frontend || !isEnabled() || frame != m_pageAgent->inspectedFrame())
+void InspectorDOMStorageAgent::didDispatchDOMStorageEvent(const String& key, const String& oldValue, const String& newValue, StorageType storageType, SecurityOrigin* securityOrigin)
+{
+    if (!m_frontend || !isEnabled())
         return;
 
     RefPtr<TypeBuilder::DOMStorage::StorageId> id = storageId(securityOrigin, storageType == LocalStorage);
@@ -225,7 +226,7 @@
 
     if (isLocalStorage)
         return StorageNamespace::localStorageArea(frame->document()->securityOrigin());
-    return StorageNamespaceController::from(frame->page())->sessionStorage()->storageArea(frame->document()->securityOrigin());
+    return StorageNamespaceController::from(m_pageAgent->page())->sessionStorage()->storageArea(frame->document()->securityOrigin());
 }
 
 } // namespace blink