ScreenCapture for Android phase1, part II

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.java
index 66e42207d2b4c0c07a7f30b08f6ee3574cc5cdd2..f587a7c2b2ea6ba25f125909ca7e96ad35e62e83 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.java
@@ -173,6 +173,26 @@ public class TabWindowManager implements ActivityStateListener {
         return AsyncTabParamsManager.hasParamsForTabId(tabId);
     }
 
+    /**
+     * @param tabId The ID of the tab in question.
+     * @return Specified {@link Tab} or {@code null} if the {@link Tab} is not found.
+     */
+    public Tab getTabById(int tabId) {
+        for (int i = 0; i < mSelectors.size(); i++) {
+            TabModelSelector selector = mSelectors.get(i);
+            if (selector != null) {
+                final Tab tab = selector.getTabById(tabId);
+                if (tab != null) return tab;
+            }
+        }
+
+        if (AsyncTabParamsManager.hasParamsForTabId(tabId)) {
+            return AsyncTabParamsManager.getAsyncTabParams().get(tabId).getTabToReparent();
+        }
+
+        return null;
+    }
+
     @Override
     public void onActivityStateChange(Activity activity, int newState) {
         if (newState == ActivityState.DESTROYED && mAssignments.containsKey(activity)) {