DevTools: expose linkPreload bit on the network request.

third_party/WebKit/Source/platform/loader/fetch/FetchRequest.h

Index: third_party/WebKit/Source/platform/loader/fetch/FetchRequest.h
diff --git a/third_party/WebKit/Source/platform/loader/fetch/FetchRequest.h b/third_party/WebKit/Source/platform/loader/fetch/FetchRequest.h
index 7389bfcb677b91a21c62c22f9c424bc48ce247d9..f7e31a2aab732afa4ab01df2225638997ce3f21d 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/FetchRequest.h
+++ b/third_party/WebKit/Source/platform/loader/fetch/FetchRequest.h
@@ -56,10 +56,7 @@ class PLATFORM_EXPORT FetchRequest {
     AllowPlaceholder,         // The image is allowed to be a placeholder.
   };
   // TODO(toyoshim): Consider to define an enum for preload options, and use it
-  // instead of bool in this class, FrameFetchContext, and so on. If it is
-  // reasonable, we try merging m_speculativePreload and m_linkPreload into one
-  // enum type. See https://crbug.com/675883.
-
+  // instead of bool in this class, FrameFetchContext, and so on.
   struct ResourceWidth {
     DISALLOW_NEW();
     float width;
@@ -100,13 +97,16 @@ class PLATFORM_EXPORT FetchRequest {
     return m_clientHintPreferences;
   }
 
-  bool isSpeculativePreload() const { return m_speculativePreload; }
-  void setSpeculativePreload(bool speculativePreload, double discoveryTime = 0);
+  bool isSpeculativePreload() const {
+    return m_resourceRequest.isSpeculativePreload();
+  }
 
-  double preloadDiscoveryTime() { return m_preloadDiscoveryTime; }
+  bool isLinkPreload() const { return m_resourceRequest.isLinkPreload(); }
 
-  bool isLinkPreload() const { return m_linkPreload; }
-  void setLinkPreload(bool isLinkPreload) { m_linkPreload = isLinkPreload; }
+  // TODO(toyoshim): do not use this method, to be removed.

[tyoshino (SeeGerritForStatus), 2017/03/27 05:41:08]

let's put the warning outside of the TODO as it's a message for everyone.

Do not use this method, to be removed.
// TODO(toyoshim): Remove this

+  void setLinkPreload(bool isLinkPreload) {
+    m_resourceRequest.setLinkPreload(isLinkPreload);
+  }
 
   void setContentSecurityCheck(
       ContentSecurityPolicyDisposition contentSecurityPolicyOption) {
@@ -156,9 +156,6 @@ class PLATFORM_EXPORT FetchRequest {
   ResourceRequest m_resourceRequest;
   String m_charset;
   ResourceLoaderOptions m_options;
-  bool m_speculativePreload;
-  bool m_linkPreload;
-  double m_preloadDiscoveryTime;
   DeferOption m_defer;
   OriginRestriction m_originRestriction;
   ResourceWidth m_resourceWidth;