Split CSP into pre- and post-upgrade checks

third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h

Index: third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
diff --git a/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h b/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
index 03b3eb8adc403a5aef2dd9428540fccfefc604c5..2867f11816d25b046f4f4235c0649b45046e0614 100644
--- a/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
+++ b/third_party/WebKit/Source/platform/loader/testing/MockFetchContext.h
@@ -54,6 +54,16 @@ class MockFetchContext : public FetchContext {
       FetchRequest::OriginRestriction) const override {
     return ResourceRequestBlockedReason::kNone;
   }
+  ResourceRequestBlockedReason CanFollowRedirect(
+      Resource::Type type,
+      const ResourceRequest& request,
+      const KURL& url,
+      const ResourceLoaderOptions& options,
+      SecurityViolationReportingPolicy reporting_policy,
+      FetchRequest::OriginRestriction origin_restriction) const override {
+    return CanRequest(type, request, url, options, reporting_policy,
+                      origin_restriction);
+  }
   bool ShouldLoadNewResource(Resource::Type) const override {
     return load_policy_ == kShouldLoadNewResource;
   }