Make Foreign Fetch an origin trial.

third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp b/third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp
index fcda0d9c899a093071a1f2c75c8acdbd5a1a64c4..03ed94579e7059ec4f5e82fa7f27b3fd899a5ef2 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp
@@ -36,6 +36,7 @@
 #include "bindings/core/v8/V8BindingMacros.h"
 #include "bindings/core/v8/V8Element.h"
 #include "bindings/core/v8/V8EventTarget.h"
+#include "bindings/core/v8/V8HTMLLinkElement.h"
 #include "bindings/core/v8/V8NodeFilter.h"
 #include "bindings/core/v8/V8NodeFilterCondition.h"
 #include "bindings/core/v8/V8ObjectConstructor.h"
@@ -809,8 +810,17 @@ void installOriginTrialsCore(ScriptState* scriptState)
     // configuration of origin trial enabled attibutes and interfaces in IDL
     // files. (crbug.com/615060)
 
-    // Initialization code for origin trials for core bindings, if necessary,
-    // should go here.
+    v8::Local<v8::Context> context = scriptState->context();
+    ExecutionContext* executionContext = toExecutionContext(context);
+    OriginTrialContext* originTrialContext = OriginTrialContext::from(executionContext, OriginTrialContext::DontCreateIfNotExists);
+    if (!originTrialContext)
+        return;
+
+    if (!originTrialContext->featureBindingsInstalled("LinkServiceWorker") && (RuntimeEnabledFeatures::linkServiceWorkerEnabled() || originTrialContext->isFeatureEnabled("ForeignFetch"))) {
+        if (executionContext->isDocument()) {
+            V8HTMLLinkElement::installLinkServiceWorker(scriptState);
+        }
+    }
 }
 
 namespace {
@@ -837,6 +847,14 @@ void installOriginTrials(ScriptState* scriptState)
     if (!originTrialContext->featureBindingsInstalled("WebBluetooth") && (RuntimeEnabledFeatures::webBluetoothEnabled() || originTrialContext->isFeatureEnabled("WebBluetooth"))) {
         originTrialContext->setFeatureBindingsInstalled("WebBluetooth");
     }
+
+    if (!originTrialContext->featureBindingsInstalled("LinkServiceWorker") && (RuntimeEnabledFeatures::linkServiceWorkerEnabled() || originTrialContext->isFeatureEnabled("ForeignFetch"))) {
+        originTrialContext->setFeatureBindingsInstalled("LinkServiceWorker");
+    }
+
+    if (!originTrialContext->featureBindingsInstalled("ForeignFetch") && (RuntimeEnabledFeatures::foreignFetchEnabled() || originTrialContext->isFeatureEnabled("ForeignFetch"))) {
+        originTrialContext->setFeatureBindingsInstalled("ForeignFetch");
+    }
 }
 
 InstallOriginTrialsFunction setInstallOriginTrialsFunction(InstallOriginTrialsFunction newInstallOriginTrialsFunction)