Remove inline event handlers in the soy template.

This is required to be able to use strict-dynamic CSP. The script tags
will be updated with nonce by the Soy library.

Google-Bug-Id: b/216788721
Release-Notes: skip
Change-Id: I2db1e423b8186bae835128307ecc97fa01beed1a

resources/com/google/gitiles/templates/ObjectDetail.soy

diff --git a/resources/com/google/gitiles/templates/ObjectDetail.soy b/resources/com/google/gitiles/templates/ObjectDetail.soy
index 3d3c6e4..054f621 100644
--- a/resources/com/google/gitiles/templates/ObjectDetail.soy
+++ b/resources/com/google/gitiles/templates/ObjectDetail.soy
@@ -270,7 +270,7 @@
           {let $n: $index + 1 /}
           <tr class="u-pre u-monospace FileContents-line">
             <td class="u-lineNum u-noSelect FileContents-lineNum"
-                data-line-number="{$n}" onclick="window.location.hash='#{$n}'"></td>
+                data-line-number="{$n}"></td>
             <td class="FileContents-lineContents" id="{$n}">
               {for $span in $line}
                 <span class="{$span.classes}">{$span.text}</span>
@@ -279,6 +279,14 @@
           </tr>
         {/for}
       </table>
+      <script>
+        for (let lineNumEl of document.querySelectorAll('td.u-lineNum')) {lb}
+          lineNumEl.onclick = () => {lb}
+            window.location.hash =
+                `#${lb}lineNumEl.getAttribute('data-line-number'){rb}`;
+          {rb};
+        {rb}
+      </script>
     {else}
       <div class="FileContents-empty">Empty file</div>
     {/if}

resources/com/google/gitiles/templates/RepositoryIndex.soy

diff --git a/resources/com/google/gitiles/templates/RepositoryIndex.soy b/resources/com/google/gitiles/templates/RepositoryIndex.soy
index ac1ab56..e8ec346 100644
--- a/resources/com/google/gitiles/templates/RepositoryIndex.soy
+++ b/resources/com/google/gitiles/templates/RepositoryIndex.soy
@@ -67,8 +67,7 @@
 
 <div class="CloneRepo">
   <div class="CloneRepo-title">Clone this repo:</div>
-  <input type="text" class="u-monospace CloneRepo-command"
-         onclick="this.focus();if(this.selectionStart==this.selectionEnd){lb}this.select(){rb}"
+  <input id="clone-repo-input" type="text" class="u-monospace CloneRepo-command"
          readonly="readonly" value="git clone {$cloneUrl}">
 </div>
 
@@ -99,6 +98,19 @@
 {call common.footer}
   {param customVariant: $customVariant /}
 {/call}
+
+<script>
+  {lb}
+    let f = document.getElementById("clone-repo-input");
+    f.onclick = () => {lb}
+      f.focus();
+      if (f.selectionStart === f.selectionEnd) {lb}
+          f.select();
+      {rb}
+    {rb};
+  {rb}
+</script>
+
 {/template}
 
 /**