Add <a is="action-link">, a web component extension of <a> for in-page actions.

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index c68194c8cce47ed8bf54460c4e0176c896529711..567090c70700993f7f104801929626ecf6d3ed05 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -429,7 +429,7 @@ be available for now. -->
         Use hardware acceleration when available
       </message>
       <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE_RESTART" desc="The restart string after changing hardware acceleration mode">
-        (requires Chromium <ph name="BEGIN_BUTTON">&lt;button id="gpu-mode-reset-restart-button" type="button" class="link-button standalone-link-button"&gt;</ph>restart<ph name="END_BUTTON">&lt;/button&gt;</ph>)
+        (requires Chromium <ph name="BEGIN_BUTTON">&lt;a is="action-link" id="gpu-mode-reset-restart-button" class="standalone-action-link"&gt;</ph>restart<ph name="END_BUTTON">&lt;/a&gt;</ph>)

[aboxhall, 2014/10/22 21:33:30]

I think this should remain a button (here and in google_chrome_strings).

[Dan Beam, 2014/10/23 03:05:43]

note: this is already a link in appearance

[aboxhall, 2014/10/23 21:41:05]

Right, but it could stay as a button-that-looks-like-a-link. In the world where
we ran around adding role=link to things instead of this (better) solution, I
think we'd want to leave role=link off this one.

However, that can be a discussion for another day.

       </message>
       <message name="IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY" desc="Summary of problem displayed in dialog when we can't create a directory for this user.">
 Chromium cannot read and write to its data directory: