Simplify PROGRESS shadow elements.

third_party/WebKit/Source/core/html/shadow/ProgressShadowElement.h

Index: third_party/WebKit/Source/core/html/shadow/ProgressShadowElement.h
diff --git a/third_party/WebKit/Source/core/html/shadow/ProgressShadowElement.h b/third_party/WebKit/Source/core/html/shadow/ProgressShadowElement.h
index 314db7052c2e89ed1edfe0223d15588e999e191a..cf8d481689d72e205d51afb3d854d1424dac47b1 100644
--- a/third_party/WebKit/Source/core/html/shadow/ProgressShadowElement.h
+++ b/third_party/WebKit/Source/core/html/shadow/ProgressShadowElement.h
@@ -41,40 +41,14 @@ class HTMLProgressElement;
 
 class ProgressShadowElement : public HTMLDivElement {
 public:
-    explicit ProgressShadowElement(Document&);
-    HTMLProgressElement* progressElement() const;
-
-protected:
-    bool layoutObjectIsNeeded(const ComputedStyle&) override;
-};
-
-class ProgressInnerElement final : public ProgressShadowElement {
-public:
-    DECLARE_NODE_FACTORY(ProgressInnerElement);
+    DECLARE_NODE_FACTORY(ProgressShadowElement);
 
 private:
-    explicit ProgressInnerElement(Document&);
-
+    explicit ProgressShadowElement(Document&);
+    HTMLProgressElement* progressElement() const;
     bool layoutObjectIsNeeded(const ComputedStyle&) override;
 };
 
-class ProgressBarElement final : public ProgressShadowElement {
-public:
-    DECLARE_NODE_FACTORY(ProgressBarElement);
-
-private:
-    explicit ProgressBarElement(Document&);
-};
-
-class ProgressValueElement final : public ProgressShadowElement {
-public:
-    DECLARE_NODE_FACTORY(ProgressValueElement);
-    void setWidthPercentage(double);
-
-private:
-    explicit ProgressValueElement(Document&);
-};
-
 } // namespace blink
 
 #endif // ProgressShadowElement_h