Title-case strings in the avatar bubble if titlecase is supported

BUG=455920

Review URL: https://codereview.chromium.org/911643002

Cr-Commit-Position: refs/heads/master@{#315422}

chrome/app/generated_resources.grd

@@ -11830,12 +11830,6 @@ Chrome ran out of memory.
       <message name="IDS_PROFILES_TUTORIAL_WHATS_NEW_BUTTON" desc="Button in the avatar menu tutorial card for seeing what is new with the new profile management UI">
         See what's new
       </message>
-      <message name="IDS_PROFILES_SWITCH_USERS_BUTTON" desc="Button in the avatar menu bubble view for launching the user manager.">
-        Switch person
-      </message>
-      <message name="IDS_PROFILES_GO_INCOGNITO_BUTTON" desc="Button in the avatar menu bubble view for launching an incognito browser.">
-        Go incognito
-      </message>
       <message name="IDS_PROFILES_EXIT_GUEST" desc="Button in the avatar menu bubble view for exiting the active guest session.">
         Exit Guest
       </message>
@@ -11855,6 +11849,12 @@ Chrome ran out of memory.
         <message name="IDS_PROFILES_PROFILE_TUTORIAL_LEARN_MORE" desc="The Learn More link in the avatar tutorial bubble.">
           Learn more
         </message>
+        <message name="IDS_PROFILES_SWITCH_USERS_BUTTON" desc="Button in the avatar menu bubble view for launching the user manager.">
+          Switch person
+        </message>
+        <message name="IDS_PROFILES_GO_INCOGNITO_BUTTON" desc="Button in the avatar menu bubble view for launching an incognito browser.">
+          Go incognito
+        </message>
       </if>
       <if expr="use_titlecase">
         <message name="IDS_PROFILES_PROFILE_ADD_ACCOUNT_BUTTON" desc="Button in the avatar menu bubble view used to add an account to a profile.">
@@ -11869,6 +11869,12 @@ Chrome ran out of memory.
         <message name="IDS_PROFILES_PROFILE_TUTORIAL_LEARN_MORE" desc="The Learn More link in the avatar tutorial bubble.">
           Learn More
         </message>
+        <message name="IDS_PROFILES_SWITCH_USERS_BUTTON" desc="Button in the avatar menu bubble view for launching the user manager.">
+          Switch Person
+        </message>
+        <message name="IDS_PROFILES_GO_INCOGNITO_BUTTON" desc="Button in the avatar menu bubble view for launching an incognito browser.">
+          Go Incognito
+        </message>
       </if>
       <message name="IDS_PROFILES_SWITCH_TO_PROFILE_ACCESSIBLE_NAME" desc="Description of the switch to profile button. This is used for accessibility.">
         Switch to user: <ph name="PROFILE_NAME">$1<ex>First user</ex></ph>