Switch LevelDBWrapper::GetAll to use the new Mojo sync IPC mechanism.

content/browser/dom_storage/dom_storage_context_wrapper.cc

Index: content/browser/dom_storage/dom_storage_context_wrapper.cc
diff --git a/content/browser/dom_storage/dom_storage_context_wrapper.cc b/content/browser/dom_storage/dom_storage_context_wrapper.cc
index e58187f628324ffc62f5148167d983412489e9ed..d028d6faab5145e18d5ecc6bef40bfcd4c819801 100644
--- a/content/browser/dom_storage/dom_storage_context_wrapper.cc
+++ b/content/browser/dom_storage/dom_storage_context_wrapper.cc
@@ -17,7 +17,7 @@
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
 #include "content/browser/dom_storage/dom_storage_task_runner.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
-#include "content/browser/level_db_wrapper_impl.h"
+#include "content/browser/leveldb_wrapper_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/local_storage_usage_info.h"
 #include "content/public/browser/session_storage_usage_info.h"
@@ -169,7 +169,6 @@ void DOMStorageContextWrapper::Flush() {
 
 void DOMStorageContextWrapper::OpenLocalStorage(
     const mojo::String& origin,
-    LevelDBObserverPtr observer,
     mojo::InterfaceRequest<LevelDBWrapper> request) {
   if (level_db_wrappers_.find(origin) == level_db_wrappers_.end()) {
     level_db_wrappers_[origin] = make_scoped_ptr(new LevelDBWrapperImpl(
@@ -183,7 +182,7 @@ void DOMStorageContextWrapper::OpenLocalStorage(
   // from origins to LevelDBWrapper object. Each call here for the same origin
   // should use the same LevelDBWrapper object.
 
-  level_db_wrappers_[origin]->Bind(std::move(request), std::move(observer));
+  level_db_wrappers_[origin]->Bind(std::move(request));
 }
 
 void DOMStorageContextWrapper::LevelDBWrapperImplHasNoBindings(