History: Unable to open a link in search result if we click on bold text.

This is a follow-up change for crrev.com/212474.
We need to handle cases that <a> contains child elements like
  <label><input type=checkbox> <a><b>Issue</b> xxxx: ...</a></label>

BUG=265434

Review URL: https://chromiumcodereview.appspot.com/21151004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@215223 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 10 insertions, 3 deletions

diff --git a/chrome/browser/resources/history/history.js b/chrome/browser/resources/history/history.js
index 637dc78..1f688e5 100644
--- a/chrome/browser/resources/history/history.js
+++ b/chrome/browser/resources/history/history.js
@@ -1777,9 +1777,16 @@ function entryBoxClick(event) {
   // Do nothing if a bookmark star is clicked.
   if (event.defaultPrevented)
     return;
-  var tagName = event.target.tagName;
-  if (tagName == 'BUTTON' || tagName == 'INPUT' || tagName == 'A')
-    return;
+  var element = event.target;
+  // Do nothing if the event happened in an interactive element.
+  for (; element != event.currentTarget; element = element.parentNode) {
+    switch (element.tagName) {
+      case 'A':
+      case 'BUTTON':
+      case 'INPUT':
+        return;
+    }
+  }
   var checkbox = event.currentTarget.control;
   checkbox.checked = !checkbox.checked;
   handleCheckboxStateChange(checkbox, event.shiftKey);