Split revision into separate field on about:version.

R=agable@chromium.org
BUG=414994

Review URL: https://codereview.chromium.org/582003003

Cr-Commit-Position: refs/heads/master@{#295615}

chrome/app/generated_resources.grd

@@ -6942,6 +6942,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_ABOUT_VERSION_UNOFFICIAL" desc="unofficial build on the about:version page">
         Developer Build
       </message>
+      <message name="IDS_ABOUT_VERSION_REVISION" desc="label for the revision on the about:version page">
+        Revision
+      </message>
       <message name="IDS_ABOUT_VERSION_OS" desc="label for the OS on the about:version page">
         OS
       </message>

chrome/browser/resources/about_version.html

@@ -45,9 +45,14 @@ about:version template page
 </if>
 <if expr="not is_android">
             <span i18n-content="version"></span>
-            (<span i18n-content="official">
-            </span> <span i18n-content="cl"></span>)
+            (<span i18n-content="official"></span>)
             <span i18n-content="version_modifier"></span>
+          </td>
+        </tr>
+        <tr>
+          <td class="label" i18n-content="revision"></td>
+          <td class="version">
+            <span i18n-content="cl"></span>
 </if>
           </td>
         </tr>

chrome/browser/ui/webui/version_ui.cc

@@ -86,6 +86,7 @@ content::WebUIDataSource* CreateVersionUIDataSource(Profile* profile) {
       "copyright",
       l10n_util::GetStringFUTF16(IDS_ABOUT_VERSION_COPYRIGHT,
                                  base::IntToString16(exploded_time.year)));
+  html_source->AddLocalizedString("revision", IDS_ABOUT_VERSION_REVISION);
   html_source->AddString("cl", version_info.LastChange());
   html_source->AddLocalizedString("official",
       version_info.IsOfficialBuild() ? IDS_ABOUT_VERSION_OFFICIAL :