Class/struct layout optimization for blink Resource related classes

third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.cpp

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.cpp
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.cpp b/third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.cpp
index ee5af3a5ec3a8afe94a6a7ab6ba48d6d532a1320..0e5082ab0b3888572108ef85e1f26edd50e2bc35 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.cpp
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.cpp
@@ -47,7 +47,6 @@ ResourceRequest::ResourceRequest(const String& url_string)
 
 ResourceRequest::ResourceRequest(const KURL& url)
     : url_(url),
-      cache_policy_(WebCachePolicy::kUseProtocolCachePolicy),
       timeout_interval_(default_timeout_interval_),
       requestor_origin_(nullptr),
       http_method_(HTTPNames::GET),
@@ -59,18 +58,19 @@ ResourceRequest::ResourceRequest(const KURL& url)
       use_stream_on_response_(false),
       keepalive_(false),
       should_reset_app_cache_(false),
+      cache_policy_(WebCachePolicy::kUseProtocolCachePolicy),
       service_worker_mode_(WebURLRequest::ServiceWorkerMode::kAll),
       priority_(kResourceLoadPriorityLowest),
       intra_priority_value_(0),
       requestor_id_(0),
       requestor_process_id_(0),
       app_cache_host_id_(0),
+      previews_state_(WebURLRequest::kPreviewsUnspecified),
       request_context_(WebURLRequest::kRequestContextUnspecified),
       frame_type_(WebURLRequest::kFrameTypeNone),
       fetch_request_mode_(WebURLRequest::kFetchRequestModeNoCORS),
       fetch_credentials_mode_(WebURLRequest::kFetchCredentialsModeInclude),
       fetch_redirect_mode_(WebURLRequest::kFetchRedirectModeFollow),
-      previews_state_(WebURLRequest::kPreviewsUnspecified),
       referrer_policy_(kReferrerPolicyDefault),
       did_set_http_referrer_(false),
       check_for_browser_side_navigation_(true),
@@ -86,7 +86,6 @@ ResourceRequest::ResourceRequest(const KURL& url)
 
 ResourceRequest::ResourceRequest(CrossThreadResourceRequestData* data)
     : ResourceRequest(data->url_) {
-  SetCachePolicy(data->cache_policy_);
   SetTimeoutInterval(data->timeout_interval_);
   SetFirstPartyForCookies(data->first_party_for_cookies_);
   SetRequestorOrigin(data->requestor_origin_);
@@ -103,17 +102,18 @@ ResourceRequest::ResourceRequest(CrossThreadResourceRequestData* data)
   SetDownloadToFile(data->download_to_file_);
   SetUseStreamOnResponse(data->use_stream_on_response_);
   SetKeepalive(data->keepalive_);
+  SetCachePolicy(data->cache_policy_);
   SetServiceWorkerMode(data->service_worker_mode_);
   SetShouldResetAppCache(data->should_reset_app_cache_);
   SetRequestorID(data->requestor_id_);
   SetRequestorProcessID(data->requestor_process_id_);
   SetAppCacheHostID(data->app_cache_host_id_);
+  SetPreviewsState(data->previews_state_);
   SetRequestContext(data->request_context_);
   SetFrameType(data->frame_type_);
   SetFetchRequestMode(data->fetch_request_mode_);
   SetFetchCredentialsMode(data->fetch_credentials_mode_);
   SetFetchRedirectMode(data->fetch_redirect_mode_);
-  SetPreviewsState(data->previews_state_);
   referrer_policy_ = data->referrer_policy_;
   did_set_http_referrer_ = data->did_set_http_referrer_;
   check_for_browser_side_navigation_ = data->check_for_browser_side_navigation_;
@@ -133,7 +133,6 @@ std::unique_ptr<CrossThreadResourceRequestData> ResourceRequest::CopyData()
   std::unique_ptr<CrossThreadResourceRequestData> data =
       WTF::MakeUnique<CrossThreadResourceRequestData>();
   data->url_ = Url().Copy();
-  data->cache_policy_ = GetCachePolicy();
   data->timeout_interval_ = TimeoutInterval();
   data->first_party_for_cookies_ = FirstPartyForCookies().Copy();
   data->requestor_origin_ =
@@ -153,17 +152,18 @@ std::unique_ptr<CrossThreadResourceRequestData> ResourceRequest::CopyData()
   data->download_to_file_ = download_to_file_;
   data->use_stream_on_response_ = use_stream_on_response_;
   data->keepalive_ = keepalive_;
+  data->cache_policy_ = GetCachePolicy();
   data->service_worker_mode_ = service_worker_mode_;
   data->should_reset_app_cache_ = should_reset_app_cache_;
   data->requestor_id_ = requestor_id_;
   data->requestor_process_id_ = requestor_process_id_;
   data->app_cache_host_id_ = app_cache_host_id_;
+  data->previews_state_ = previews_state_;
   data->request_context_ = request_context_;
   data->frame_type_ = frame_type_;
   data->fetch_request_mode_ = fetch_request_mode_;
   data->fetch_credentials_mode_ = fetch_credentials_mode_;
   data->fetch_redirect_mode_ = fetch_redirect_mode_;
-  data->previews_state_ = previews_state_;
   data->referrer_policy_ = referrer_policy_;
   data->did_set_http_referrer_ = did_set_http_referrer_;
   data->check_for_browser_side_navigation_ = check_for_browser_side_navigation_;