Mark subclasses of ShadowNode final when appropriate

Summary:
Changelog: [internal]

These ShadowNode subclasses should not be further subclassed. compiler can produce smaller and faster code.

Reviewed By: JoshuaGross

Differential Revision: D27463255

fbshipit-source-id: cb10cc61a3d80731476ac0c51af7f9a47e3f9ab7

ReactCommon/react/renderer/components/text/ParagraphShadowNode.h

@@ -28,12 +28,12 @@ extern char const ParagraphComponentName[];
  * containing and displaying text. Text content is represented as nested <Text>
  * and <RawText> components.
  */
-class ParagraphShadowNode : public ConcreteViewShadowNode<
- ParagraphComponentName,
- ParagraphProps,
- ParagraphEventEmitter,
- ParagraphState>,
- public BaseTextShadowNode {
+class ParagraphShadowNode final : public ConcreteViewShadowNode<
+  ParagraphComponentName,
+  ParagraphProps,
+  ParagraphEventEmitter,
+  ParagraphState>,
+  public BaseTextShadowNode {
  public:
  using ConcreteViewShadowNode::ConcreteViewShadowNode;
 

ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputShadowNode.h

@@ -24,11 +24,11 @@ extern const char AndroidTextInputComponentName[];
 /*
  * `ShadowNode` for <AndroidTextInput> component.
  */
-class AndroidTextInputShadowNode : public ConcreteViewShadowNode<
- AndroidTextInputComponentName,
- AndroidTextInputProps,
- AndroidTextInputEventEmitter,
- AndroidTextInputState> {
+class AndroidTextInputShadowNode final : public ConcreteViewShadowNode<
+  AndroidTextInputComponentName,
+  AndroidTextInputProps,
+  AndroidTextInputEventEmitter,
+  AndroidTextInputState> {
  public:
  static ShadowNodeTraits BaseTraits() {
  auto traits = ConcreteViewShadowNode::BaseTraits();

ReactCommon/react/renderer/components/textinput/iostextinput/TextInputShadowNode.h

@@ -24,12 +24,12 @@ extern const char TextInputComponentName[];
 /*
  * `ShadowNode` for <TextInput> component.
  */
-class TextInputShadowNode : public ConcreteViewShadowNode<
- TextInputComponentName,
- TextInputProps,
- TextInputEventEmitter,
- TextInputState>,
- public BaseTextShadowNode {
+class TextInputShadowNode final : public ConcreteViewShadowNode<
+  TextInputComponentName,
+  TextInputProps,
+  TextInputEventEmitter,
+  TextInputState>,
+  public BaseTextShadowNode {
  public:
  using ConcreteViewShadowNode::ConcreteViewShadowNode;
 

ReactCommon/react/renderer/core/tests/TestComponent.h

@@ -45,11 +45,11 @@ class TestShadowNode;
 
 using SharedTestShadowNode = std::shared_ptr<const TestShadowNode>;
 
-class TestShadowNode : public ConcreteViewShadowNode<
- TestComponentName,
- TestProps,
- ViewEventEmitter,
- TestState> {
+class TestShadowNode final : public ConcreteViewShadowNode<
+  TestComponentName,
+  TestProps,
+  ViewEventEmitter,
+  TestState> {
  public:
  using ConcreteViewShadowNode::ConcreteViewShadowNode;