Replace ASSERT with DCHECK in core/

third_party/WebKit/Source/core/CoreInitializer.cpp

Index: third_party/WebKit/Source/core/CoreInitializer.cpp
diff --git a/third_party/WebKit/Source/core/CoreInitializer.cpp b/third_party/WebKit/Source/core/CoreInitializer.cpp
index 0042a1324408bee731c5611055af9a1f5cc78ebf..b1412251c9b8ce2178e9f472b998e702222050cd 100644
--- a/third_party/WebKit/Source/core/CoreInitializer.cpp
+++ b/third_party/WebKit/Source/core/CoreInitializer.cpp
@@ -75,7 +75,7 @@ void CoreInitializer::RegisterEventFactory() {
 }
 
 void CoreInitializer::Initialize() {
-  ASSERT(!IsInitialized());
+  DCHECK(!IsInitialized());
   is_initialized_ = true;
   // Note: in order to add core static strings for a new module (1)
   // the value of 'coreStaticStringsCount' must be updated with the