Upstream accessibility tab switcher and related resources.

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 7226d2d2c558a24b62e779c3d5aa26ee1549eb23..601eaa81a1d9472a43c4e977c42a7914b85c6b6a 100644
--- a/chrome/android/java/res/values/dimens.xml
+++ b/chrome/android/java/res/values/dimens.xml
@@ -8,6 +8,12 @@
     <!-- Certificate Viewer Dimensions -->
     <dimen name="certificate_viewer_padding">20dp</dimen>
 
+    <!-- Accessibility tab switcher -->
+    <dimen name="accessibility_tab_height">65dp</dimen>
+
+    <!-- TabSwitcher - The minimum distance from the edge to commit a side swap. -->
+    <dimen name="swipe_commit_distance">120dp</dimen>
+
     <!-- Custom Menu dimensions -->
     <dimen name="menu_width">257dp</dimen>
     <dimen name="menu_vertical_offset">0dp</dimen>