Revert of DevTools: clean up scripts folder

third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/ValidatorContext.java

Index: third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/ValidatorContext.java
diff --git a/third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/ValidatorContext.java b/third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/ValidatorContext.java
new file mode 100644
index 0000000000000000000000000000000000000000..393f7056d9b1ade28da1f00364496584332a9fae
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/ValidatorContext.java
@@ -0,0 +1,94 @@
+package org.chromium.devtools.jsdoc;
+
+import com.google.javascript.jscomp.SourceFile;
+import com.google.javascript.rhino.Node;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+public class ValidatorContext {
+
+    private static final Comparator<MessageRecord> MESSAGE_RECORD_COMPARATOR =
+            new Comparator<MessageRecord>() {
+                @Override
+                public int compare(MessageRecord left, MessageRecord right) {
+                    return left.position - right.position;
+                }
+            };
+
+    public final String scriptFileName;
+    public final SourceFile sourceFile;
+    private final SortedSet<MessageRecord> validationResult =
+            new TreeSet<>(MESSAGE_RECORD_COMPARATOR);
+
+
+    public ValidatorContext(String text, String scriptFileName) {
+        this.scriptFileName = scriptFileName;
+        this.sourceFile = SourceFile.builder().buildFromCode(scriptFileName, text);
+    }
+
+    public SortedSet<MessageRecord> getValidationResult() {
+        return Collections.unmodifiableSortedSet(validationResult);
+    }
+
+    public String getNodeText(Node node) {
+        if (node == null) {
+            return null;
+        }
+        try {
+            return sourceFile.getCode().substring(
+                    node.getSourceOffset(), node.getSourceOffset() + node.getLength());
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    public SourcePosition getPosition(int offset) {
+        return new SourcePosition(
+                sourceFile.getLineOfOffset(offset), sourceFile.getColumnOfOffset(offset));
+    }
+
+    public void reportErrorInNode(Node node, int offsetInNodeText, String errorText) {
+        int errorAbsoluteOffset = node.getSourceOffset() + offsetInNodeText;
+        reportErrorAtOffset(errorAbsoluteOffset, errorText);
+    }
+
+    public void reportErrorAtOffset(int offset, String errorText) {
+        SourcePosition position = getPosition(offset);
+        StringBuilder positionMarker = new StringBuilder(position.column + 1);
+        for (int i = position.column; i > 0; --i) {
+            positionMarker.append(' ');
+        }
+        positionMarker.append('^');
+        String message = String.format("%s:%d: ERROR - %s%n%s%n%s%n",
+                scriptFileName,
+                position.line,
+                errorText,
+                sourceFile.getLine(position.line),
+                positionMarker.toString());
+        validationResult.add(new MessageRecord(offset, message));
+    }
+
+    public static class MessageRecord {
+        public final int position;
+        public final String text;
+
+        public MessageRecord(int position, String text) {
+            this.position = position;
+            this.text = text;
+        }
+    }
+
+    public static class SourcePosition {
+        public final int line;
+        public final int column;
+
+        public SourcePosition(int line, int column) {
+            this.line = line;
+            this.column = column;
+        }
+    }
+}