DevTools: [JsDocValidator] Refactor JsDoc annotation checkers

Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/checks/ContextTrackingState.java

Index: Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/checks/ContextTrackingState.java
diff --git a/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/checks/ContextTrackingState.java b/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/checks/ContextTrackingState.java
new file mode 100644
index 0000000000000000000000000000000000000000..c98a8827e86bb830e7fb1c452abd26c47950659e
--- /dev/null
+++ b/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/checks/ContextTrackingState.java
@@ -0,0 +1,58 @@
+package org.chromium.devtools.jsdoc.checks;
+
+import com.google.javascript.rhino.head.ast.AstNode;
+
+import org.chromium.devtools.jsdoc.ValidatorContext;
+
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.Map;
+
+public class ContextTrackingState {
+    private final ValidatorContext context;
+
+    ContextTrackingState(ValidatorContext context) {
+        this.context = context;
+    }
+
+    final Map<String, TypeRecord> typeRecordsByTypeName = new HashMap<>();
+    final Deque<TypeRecord> typeRecords = new LinkedList<>();
+    final Deque<FunctionRecord> functionRecords = new LinkedList<>();
+
+    TypeRecord getCurrentTypeRecord() {
+        return typeRecords.peekLast();
+    }
+
+    FunctionRecord getCurrentFunctionRecord() {
+        return functionRecords.peekLast();
+    }
+
+    ValidatorContext getContext() {
+        return context;
+    }
+
+    Map<String, TypeRecord> getTypeRecordsByTypeName() {
+        return typeRecordsByTypeName;
+    }
+
+    String getNodeText(AstNode node) {
+        return getContext().getNodeText(node);
+    }
+
+    void pushTypeRecord(TypeRecord record) {
+        typeRecords.addLast(record);
+    }
+
+    void popTypeRecord() {
+        typeRecords.removeLast();
+    }
+
+    void pushFunctionRecord(FunctionRecord record) {
+        functionRecords.addLast(record);
+    }
+
+    void popFunctionRecord() {
+        functionRecords.removeLast();
+    }
+}