Revert of Add CSP header for resources with an active policy

Source/core/frame/csp/CSPDirectiveList.cpp

Index: Source/core/frame/csp/CSPDirectiveList.cpp
diff --git a/Source/core/frame/csp/CSPDirectiveList.cpp b/Source/core/frame/csp/CSPDirectiveList.cpp
index 2354f9d1905494abcdd5c0e9e30139a05e877613..1f8bd418ed1300c5a8c2fd50f4e55857023ce2b6 100644
--- a/Source/core/frame/csp/CSPDirectiveList.cpp
+++ b/Source/core/frame/csp/CSPDirectiveList.cpp
@@ -412,39 +412,6 @@
 {
     ASSERT(hasPluginTypes());
     return m_pluginTypes->text();
-}
-
-bool CSPDirectiveList::shouldSendCSPHeader(Resource::Type type) const
-{
-    switch (type) {
-    case Resource::XSLStyleSheet:
-        ASSERT(RuntimeEnabledFeatures::xsltEnabled());
-        return !!operativeDirective(m_scriptSrc.get());
-    case Resource::Script:
-    case Resource::ImportResource:
-        return !!operativeDirective(m_scriptSrc.get());
-    case Resource::CSSStyleSheet:
-        return !!operativeDirective(m_styleSrc.get());
-    case Resource::SVGDocument:
-    case Resource::Image:
-        return !!operativeDirective(m_imgSrc.get());
-    case Resource::Font:
-        return !!operativeDirective(m_fontSrc.get());
-    case Resource::Media:
-    case Resource::TextTrack:
-        return !!operativeDirective(m_mediaSrc.get());
-    case Resource::Raw:
-        // This request could be for a plugin, a child frame, a worker, or
-        // something else. If there any potentially relevant policies,
-        // send the CSP header; sending it unnecessarily can't hurt.
-        return !!operativeDirective(m_objectSrc.get()) || !!m_pluginTypes.get() || !!operativeDirective(m_childSrc.get()) || !!operativeDirective(m_frameSrc.get()) || !!operativeDirective(m_connectSrc.get()) || !!operativeDirective(m_manifestSrc.get()) || !!m_formAction.get();
-    case Resource::MainResource:
-    case Resource::LinkPrefetch:
-    case Resource::LinkSubresource:
-        return false;
-    }
-    ASSERT_NOT_REACHED();
-    return false;
 }
 
 // policy            = directive-list