Expose the method for getting Tab IDs

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index 4db0aa3208985edfc3e3d9c09925f9e074588cca..cca0ac6dc0fbd114bef15cd4a72ebf978e0122b0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -1105,7 +1105,7 @@ public class Tab implements NavigationClient {
      * @param id The current id.  Maybe {@link #INVALID_TAB_ID}.
      * @return   A new id if {@code id} was {@link #INVALID_TAB_ID}, or {@code id}.
      */
-    private static int generateValidId(int id) {
+    public static int generateValidId(int id) {

[David Trainor- moved to gerrit, 2014/07/25 07:49:41]

Do we need to also support wrapping?

[gone, 2014/07/25 18:34:37]

Turns out the incrementIdCounterTo has far deeper problems than just for
wrapping, since it always takes the max.

         if (id == INVALID_TAB_ID) id = generateNextId();
         incrementIdCounterTo(id + 1);