Make setting strings consistent in the 2nd person

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 ea24d1086182e3ba3640a703f07519090a36d1f0..a8670609a69e12bb5abc879e27d5af91b1e1270a 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -1055,6 +1055,28 @@ Signing in anyway will merge Chromium information like bookmarks, history, and o
         The profile appears to be in use by another Chromium process (<ph name="PROCESS_ID">$1<ex>12345</ex></ph>) on another computer (<ph name="HOST_NAME">$2<ex>example.com</ex></ph>). Chromium has locked the profile so that it doesn't get corrupted. If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chromium.
       </message>
 
+      <!-- Mac First-run dialog messages -->
+      <if expr="is_macosx">
+        <message name="IDS_FIRSTRUN_DLG_MAC_SET_DEFAULT_BROWSER_LABEL" desc="Label for checkbox that sets the default browser">
+          Set Chromium as your default browser
+        </message>
+      </if>
+
+      <!-- chrome://settings. Android uses native UI for settings -->
+      <if expr="not is_android">
+        <message name="IDS_AUTOLAUNCH_TEXT" desc="The text displayed in settings to explain whether Chromium is set to auto-launch on startup or not.">
+          Launch Chromium automatically when your computer starts
+        </message>
+        <message name="IDS_OPTIONS_DEFAULTBROWSER_USEASDEFAULT" desc="The label of the 'Use Chromium as default' browser button">
+          Make Chromium the default browser
+        </message>
+      </if>
+
+      <!-- Toast experiment. -->
+      <message name="IDS_TRY_TOAST_SET_DEFAULT" desc="Text of the checkbox to make Chromium the default browser">
+        Make Chromium the default browser
+      </message>
+
     </messages>
   </release>
 </grit>