Remove ScriptElementBase::InitiatorName()

ScriptElementBase::InitiatorName() is "script" for both of HTMLScriptElement and
SVGScriptElement.
This CL replaces InitiatorName() with hard-coded "script" to reduce dependencies to
ScriptElementBase.

Bug: 777626
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: I39bf17f0e95e169acf2cf4956c84d35b0511b618
Reviewed-on: https://chromium-review.googlesource.com/740873
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513079}

third_party/WebKit/Source/core/dom/ClassicPendingScript.cpp

@@ -32,7 +32,7 @@ ClassicPendingScript* ClassicPendingScript::Fetch(
 
   // Step 1. ... "script", ... [spec text]
   ResourceLoaderOptions resource_loader_options;
-  resource_loader_options.initiator_info.name = element->InitiatorName();
+  resource_loader_options.initiator_info.name = "script";
   FetchParameters params(resource_request, resource_loader_options);
 
   // Step 1. ... and CORS setting. [spec text]

third_party/WebKit/Source/core/dom/ScriptElementBase.h

@@ -56,7 +56,6 @@ class CORE_EXPORT ScriptElementBase : public GarbageCollectedMixin {
   virtual bool IsConnected() const = 0;
   virtual bool HasChildren() const = 0;
   virtual const AtomicString& GetNonceForElement() const = 0;
-  virtual AtomicString InitiatorName() const = 0;
 
   virtual bool AllowInlineScriptForCSP(const AtomicString& nonce,
                                        const WTF::OrdinalNumber&,

third_party/WebKit/Source/core/html/HTMLScriptElement.cpp

@@ -205,10 +205,6 @@ bool HTMLScriptElement::AllowInlineScriptForCSP(
       inline_type);
 }
 
-AtomicString HTMLScriptElement::InitiatorName() const {
-  return Element::localName();
-}
-
 Document& HTMLScriptElement::GetDocument() const {
   return Node::GetDocument();
 }

third_party/WebKit/Source/core/html/HTMLScriptElement.h

@@ -96,7 +96,6 @@ class CORE_EXPORT HTMLScriptElement final : public HTMLElement,
                                const WTF::OrdinalNumber&,
                                const String& script_content,
                                ContentSecurityPolicy::InlineType) override;
-  AtomicString InitiatorName() const override;
   void DispatchLoadEvent() override;
   void DispatchErrorEvent() override;
   void SetScriptElementForBinding(

third_party/WebKit/Source/core/svg/SVGScriptElement.cpp

@@ -143,10 +143,6 @@ bool SVGScriptElement::AllowInlineScriptForCSP(
       inline_type);
 }
 
-AtomicString SVGScriptElement::InitiatorName() const {
-  return Element::localName();
-}
-
 Document& SVGScriptElement::GetDocument() const {
   return Node::GetDocument();
 }

third_party/WebKit/Source/core/svg/SVGScriptElement.h

@@ -90,7 +90,6 @@ class SVGScriptElement final : public SVGElement,
                                const WTF::OrdinalNumber&,
                                const String& script_content,
                                ContentSecurityPolicy::InlineType) override;
-  AtomicString InitiatorName() const override;
   Document& GetDocument() const override;
   void DispatchLoadEvent() override;
   void DispatchErrorEvent() override;