Add support for figure element

javatests/org/chromium/distiller/EmbedExtractorTest.java

Index: javatests/org/chromium/distiller/EmbedExtractorTest.java
diff --git a/javatests/org/chromium/distiller/EmbedExtractorTest.java b/javatests/org/chromium/distiller/EmbedExtractorTest.java
index 5c23f0c3f9a6cdc95632d8e29088d1050db5ce32..6731b044aef5ebc87dfb956ce723cb46f56b125f 100644
--- a/javatests/org/chromium/distiller/EmbedExtractorTest.java
+++ b/javatests/org/chromium/distiller/EmbedExtractorTest.java
@@ -380,4 +380,63 @@ public class EmbedExtractorTest extends DomDistillerJsTestCase {
         assertEquals(38, result.getHeight());
         assertEquals(38, result.getWidth());
     }
+
+    public void testFigureWithoutCaption() {
+        ImageElement image = TestUtil.createImage();
+        image.setSrc("http://wwww.example.com/image.jpeg");
+        image.setAttribute("width", "100");
+        image.setAttribute("height", "100");
+        Element figure = Document.get().createElement("FIGURE");
+        figure.appendChild(image);
+        mBody.appendChild(figure);
+
+        EmbedExtractor extractor = new ImageExtractor();
+        WebImage result = (WebImage) extractor.extract(figure);
+        String got = result.generateOutput(false);
+        String expected =
+                "<figure>" +
+                    "<img src=\"http://wwww.example.com/image.jpeg\"" +
+                        " width=\"100\" height=\"100\">" +
+                "</figure>";
+        assertNotNull(result);
+        assertEquals(100, result.getHeight());
+        assertEquals(100, result.getWidth());
+        assertEquals(expected, got);
+    }
+
+    public void testFigureWithCaption() {
+        ImageElement image = TestUtil.createImage();
+        image.setSrc("http://wwww.example.com/image.jpeg");
+        image.setAttribute("width", "100");
+        image.setAttribute("height", "100");
+        Element figure = Document.get().createElement("FIGURE");
+        figure.appendChild(image);
+        Element figcaption = Document.get().createElement("FIGCAPTION");
+        figcaption.setInnerHTML("This is a caption");
+        figure.appendChild(figcaption);
+        mBody.appendChild(figure);
+
+        EmbedExtractor extractor = new ImageExtractor();
+        WebImage result = (WebImage) extractor.extract(figure);
+        String got = result.generateOutput(false);
+        String expected =
+                "<figure>" +
+                    "<img src=\"http://wwww.example.com/image.jpeg\"" +
+                        " width=\"100\" height=\"100\">" +
+                    "<figcaption>This is a caption</figcaption>" +
+                "</figure>";
+        assertNotNull(result);
+        assertEquals(100, result.getHeight());
+        assertEquals(100, result.getWidth());
+        assertEquals(expected, got);
+    }
+
+    public void testFigureWithoutImageAndCaption() {
+        Element figure = Document.get().createElement("FIGURE");
+        mBody.appendChild(figure);
+
+        EmbedExtractor extractor = new ImageExtractor();
+        WebImage result = (WebImage) extractor.extract(figure);
+        assertNull(result);
+    }
 }