Replacing Indexed DB Chromium IPC with Mojo

third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp

Index: third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
index 8d991f2c0acc1c0a223a8429e99129e282a0df8c..2a7aa774ba0b2304b985d3595dbf3c0528028e64 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
@@ -10,6 +10,7 @@
 #include "core/dom/ExceptionCode.h"
 #include "modules/IndexedDBNames.h"
 #include "modules/indexeddb/IDBDatabase.h"
+#include "modules/indexeddb/IDBDatabaseProxy.h"
 #include "modules/indexeddb/IDBObserverCallback.h"
 #include "modules/indexeddb/IDBObserverChanges.h"
 #include "modules/indexeddb/IDBObserverInit.h"
@@ -53,15 +54,19 @@ void IDBObserver::observe(IDBDatabase* database, IDBTransaction* transaction, Ex
         return;
     }
 
+// TODO(cmumford): Implement observers. This is still under construction.
+#if 0
     std::unique_ptr<WebIDBObserverImpl> observer = WebIDBObserverImpl::create(this);
     WebIDBObserverImpl* observerPtr = observer.get();
     int32_t observerId = database->backend()->addObserver(std::move(observer), transaction->id());
     m_observerIds.add(observerId, database);
     observerPtr->setId(observerId);
+#endif
 }
 
 void IDBObserver::unobserve(IDBDatabase* database, ExceptionState& exceptionState)
 {
+#if 0
     if (!database->backend()) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
         return;
@@ -76,6 +81,7 @@ void IDBObserver::unobserve(IDBDatabase* database, ExceptionState& exceptionStat
 
     if (!observerIdsToRemove.isEmpty())
         database->backend()->removeObservers(observerIdsToRemove);
+#endif
 }
 
 void IDBObserver::removeObserver(int32_t id)