DOCSONLY: A few more Element method docs.

tools/dom/docs/docs.json

Index: tools/dom/docs/docs.json
diff --git a/tools/dom/docs/docs.json b/tools/dom/docs/docs.json
index 905fdcbd959cef584b20318f8168a8eb19c5e455..43706bc4cb088d7bacd04fd9f684bf41b4639a9a 100644
--- a/tools/dom/docs/docs.json
+++ b/tools/dom/docs/docs.json
@@ -707,8 +707,8 @@
         ],
         "getBoundingClientRect": [
           "/**",
-          "   * The smallest bounding rectangle that encompasses this element's padding,",
-          "   * scrollbar, and border.",
+          "   * Returns the smallest bounding rectangle that encompasses this element's",
+          "   * padding, scrollbar, and border.",
           "   *",
           "   * ## Other resources",
           "   *",
@@ -716,12 +716,14 @@
           "   * (https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect)",
           "   * from MDN.",
           "   * * [The getBoundingClientRect() method]",
-          "   * (http://www.w3.org/TR/cssom-view/#the-getclientrects-and-getboundingclientrect-methods) from W3C.",
+          "   * (http://www.w3.org/TR/cssom-view/#the-getclientrects-and-getboundingclientrect-methods)",
+          "   * from W3C.",
           "   */"
         ],
         "getClientRects": [
           "/**",
-          "   * A list of bounding rectangles for each box associated with this element.",
+          "   * Returns a list of bounding rectangles for each box associated with this",
+          "   * element.",
           "   *",
           "   * ## Other resources",
           "   *",
@@ -729,7 +731,33 @@
           "   * (https://developer.mozilla.org/en-US/docs/Web/API/Element.getClientRects)",
           "   * from MDN.",
           "   * * [The getClientRects() method]",
-          "   * (http://www.w3.org/TR/cssom-view/#the-getclientrects-and-getboundingclientrect-methods) from W3C.",
+          "   * (http://www.w3.org/TR/cssom-view/#the-getclientrects-and-getboundingclientrect-methods)",
+          "   * from W3C.",
+          "   */"
+        ],
+        "getDestinationInsertionPoints": [
+          "/**",
+          "   * Returns a list of shadow DOM insertion points to which this element is",
+          "   * distributed.",
+          "   *",
+          "   * ## Other resources",
+          "   *",
+          "   * * [Shadow DOM specification]",
+          "   * (https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html)",
+          "   * from W3C.",
+          "   */"
+        ],
+        "getElementsByClassName": [
+          "/**",
+          "   * Returns a list of nodes with the given class name inside this element.",
+          "   *",
+          "   * ## Other resources",
+          "   *",
+          "   * * [getElementsByClassName]",
+          "   * (https://developer.mozilla.org/en-US/docs/Web/API/document.getElementsByClassName)",
+          "   * from MDN.",
+          "   * * [DOM specification]",
+          "   * (http://www.w3.org/TR/domcore/) from W3C.",
           "   */"
         ],
         "hidden": [