IPC plumbing for IndexedDB to snapshot metadata to the renderer.

content/common/indexed_db/proxy_webidbdatabase_impl.cc

Index: content/common/indexed_db/proxy_webidbdatabase_impl.cc
diff --git a/content/common/indexed_db/proxy_webidbdatabase_impl.cc b/content/common/indexed_db/proxy_webidbdatabase_impl.cc
index 5e53f7b635c7738c57a94cffb850325c930cb556..f701964cdf38998010f1ccf6698e132707914db9 100644
--- a/content/common/indexed_db/proxy_webidbdatabase_impl.cc
+++ b/content/common/indexed_db/proxy_webidbdatabase_impl.cc
@@ -10,6 +10,7 @@
 #include "content/common/indexed_db/proxy_webidbobjectstore_impl.h"
 #include "content/common/indexed_db/proxy_webidbtransaction_impl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBMetadata.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
 #include "webkit/glue/worker_task_runner.h"
@@ -19,6 +20,7 @@ using WebKit::WebExceptionCode;
 using WebKit::WebFrame;
 using WebKit::WebIDBCallbacks;
 using WebKit::WebIDBDatabaseCallbacks;
+using WebKit::WebIDBDatabaseMetadata;
 using WebKit::WebIDBKeyPath;
 using WebKit::WebIDBTransaction;
 using WebKit::WebString;
@@ -38,6 +40,13 @@ RendererWebIDBDatabaseImpl::~RendererWebIDBDatabaseImpl() {
       idb_database_id_));
 }
 
+WebIDBDatabaseMetadata RendererWebIDBDatabaseImpl::metadata() const {
+  content::IndexedDBDatabaseMetadata result;
+  IndexedDBDispatcher::Send(
+      new IndexedDBHostMsg_DatabaseMetadata(idb_database_id_, &result));
+  return WebIDBDatabaseMetadata(result);
+}
+
 WebString RendererWebIDBDatabaseImpl::name() const {
   string16 result;
   IndexedDBDispatcher::Send(