MD History: truncate title to 300 chars in C++ instead of JS

chrome/browser/resources/md_history/app.vulcanized.html

Index: chrome/browser/resources/md_history/app.vulcanized.html
diff --git a/chrome/browser/resources/md_history/app.vulcanized.html b/chrome/browser/resources/md_history/app.vulcanized.html
index a8314089a10a839b94a836ef6f2a086b51600cb8..ba037892bbfe7a1b40eb2c630ccf2efb101b19aa 100644
--- a/chrome/browser/resources/md_history/app.vulcanized.html
+++ b/chrome/browser/resources/md_history/app.vulcanized.html
@@ -3972,8 +3972,8 @@ paper-checkbox {
           <span id="time-accessed">[[item.readableTimestamp]]</span>
           <div class="website-icon" id="icon"></div>
           <div id="title-and-domain">
-            <a href="[[item.url]]" id="title" class="website-title" title="[[cropItemTitle_(item.title)]]" on-click="onLinkClick_" on-contextmenu="onLinkRightClick_">
-              <history-searched-label title="[[cropItemTitle_(item.title)]]" search-term="[[searchTerm]]"></history-searched-label>
+            <a href="[[item.url]]" id="title" class="website-title" title="[[item.title]]" on-click="onLinkClick_" on-contextmenu="onLinkRightClick_">
+              <history-searched-label title="[[item.title]]" search-term="[[searchTerm]]"></history-searched-label>
             </a>
             <span id="domain">[[item.domain]]</span>
           </div>