Remove WebURLRequest::initialize() and simplify WebURLRequest

third_party/WebKit/Source/platform/exported/WebURLResponse.cpp

Index: third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp b/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
index 0ffcd8bde954f34a599a12b2fcd5a3ba97f94955..250f665f1a857dd65a44dccd9b6f5c973cf9ecc0 100644
--- a/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
@@ -72,7 +72,7 @@ private:
 struct WebURLResponse::ResourceResponseContainer {
     ResourceResponseContainer() {}
 
-    ResourceResponseContainer(const ResourceResponse& r)
+    explicit ResourceResponseContainer(const ResourceResponse& r)
         : resourceResponse(r)
     {
     }