Created the dialog offering the user to merge their account data or keep it

chrome/android/java/res/values/dimens.xml

Index: chrome/android/java/res/values/dimens.xml
diff --git a/chrome/android/java/res/values/dimens.xml b/chrome/android/java/res/values/dimens.xml
index 470dbbe4c5ee829afdd90bc5bfb331fec332eaaf..335f29f50f3020ccf0df1957b4915a63cd865da6 100644
--- a/chrome/android/java/res/values/dimens.xml
+++ b/chrome/android/java/res/values/dimens.xml
@@ -167,11 +167,19 @@
     <dimen name="fre_title_text_size">24sp</dimen>
     <dimen name="fre_button_text_size">14sp</dimen>
     <dimen name="fre_normal_text_size">14sp</dimen>
-    <dimen name="fre_image_carousel_width">260dp</dimen>
-    <dimen name="fre_image_carousel_height">130dp</dimen>
-    <dimen name="fre_checkmark_size">38dp</dimen>
+    <dimen name="fre_image_height">130dp</dimen>
+    <dimen name="fre_largest_image_width">260dp</dimen>
     <dimen name="fre_tos_checkbox_padding">12dp</dimen>
 
+    <!-- Account Signin dimensions -->
+    <dimen name="signin_button_padding">12dp</dimen>

[newt (away), 2016/02/25 18:01:32]

I don't think it's worth duplicating these dimens. If they're duplicated, they
can get out of sync with the fre dimens. I'd just use the fre dimens with the
understanding that the sign in view can appear outside of FRE, but needs to
match the FRE style.

[PEConn, 2016/02/25 20:45:11]

Done.

+    <dimen name="signin_margin">24dp</dimen>
+    <dimen name="signin_title_text_size">24sp</dimen>
+    <dimen name="signin_normal_text_size">14sp</dimen>
+    <dimen name="signin_image_carousel_width">260dp</dimen>
+    <dimen name="signin_image_carousel_height">130dp</dimen>
+    <dimen name="signin_checkmark_size">38dp</dimen>
+
     <!-- Sign-in promo dimensions -->
     <dimen name="sign_in_promo_padding_bottom">16dp</dimen>