Reserve capacity for static strings HashMap.

third_party/WebKit/Source/modules/InitModules.cpp

Index: third_party/WebKit/Source/modules/InitModules.cpp
diff --git a/third_party/WebKit/Source/modules/InitModules.cpp b/third_party/WebKit/Source/modules/InitModules.cpp
index 439be2ac05070f1f835f16b20ad71ade8b4d62d7..ac4736b2bf0567bfc0a090d5064d2b96a28b8a96 100644
--- a/third_party/WebKit/Source/modules/InitModules.cpp
+++ b/third_party/WebKit/Source/modules/InitModules.cpp
@@ -28,6 +28,11 @@ void ModulesInitializer::init()
     ASSERT(!isInitialized());
 
     // Strings must be initialized before calling CoreInitializer::init().
+    const unsigned modulesStaticStringsCount = EventNames::EventModulesNamesCount
+        + EventTargetNames::EventTargetModulesNamesCount
+        + IndexedDBNames::IndexedDBNamesCount;
+    StringImpl::reserveStaticStringsCapacityForSize(modulesStaticStringsCount);
+
     EventNames::initModules();
     EventTargetNames::initModules();
     Document::registerEventFactory(EventModulesFactory::create());