Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/public/android/java/src/org/chromium/blimp_public/contents/BlimpContents.java

Index: blimp/client/public/android/java/src/org/chromium/blimp_public/contents/BlimpContents.java
diff --git a/blimp/client/public/android/java/src/org/chromium/blimp_public/contents/BlimpContents.java b/blimp/client/public/android/java/src/org/chromium/blimp_public/contents/BlimpContents.java
index 4cea10f78df254624c2f876fae19b7080edfb247..dbd6d18458509cc8dc3763bd1dd8f764ba00d838 100644
--- a/blimp/client/public/android/java/src/org/chromium/blimp_public/contents/BlimpContents.java
+++ b/blimp/client/public/android/java/src/org/chromium/blimp_public/contents/BlimpContents.java
@@ -4,6 +4,8 @@
 
 package org.chromium.blimp_public.contents;
 
+import android.view.ViewGroup;
+
 /**
  * BlimpContents is the Java representation of a native BlimpContents object.
  *
@@ -29,6 +31,11 @@ public interface BlimpContents {
     void removeObserver(BlimpContentsObserver observer);
 
     /**
+     * Returns a view that represents the content for this BlimpContents.
+     */
+    ViewGroup getView();
+
+    /**
      * For BlimpContents that are owned by Java, this must be called before this BlimpContents is
      * garbage collected.
      */