Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsImpl.java

Index: blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsImpl.java
diff --git a/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsImpl.java b/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsImpl.java
index f0680690bae2a7f9248b555e5fd5e4940dec0b7d..abdee592d0a548a35e542521ffaf118879ee2812 100644
--- a/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsImpl.java
+++ b/blimp/client/core/contents/android/java/src/org/chromium/blimp/core/contents/BlimpContentsImpl.java
@@ -4,6 +4,8 @@
 
 package org.chromium.blimp.core.contents;
 
+import android.view.ViewGroup;
+
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.blimp_public.contents.BlimpContents;
@@ -33,6 +35,9 @@ public class BlimpContentsImpl implements BlimpContents {
     // single JNI hop for each call to observers.
     private BlimpContentsObserverProxy mObserverProxy;
 
+    // The Android View for this BlimpContents.
+    private BlimpView mBlimpView;
+
     private BlimpContentsImpl(
             long nativeBlimpContentsImplAndroid, BlimpNavigationController navigationController) {
         mNativeBlimpContentsImplAndroid = nativeBlimpContentsImplAndroid;
@@ -55,6 +60,16 @@ public class BlimpContentsImpl implements BlimpContents {
         return mNativeBlimpContentsImplAndroid;
     }
 
+    @CalledByNative
+    private void setBlimpView(BlimpView blimpView) {
+        mBlimpView = blimpView;
+    }
+
+    @Override
+    public ViewGroup getView() {
+        return mBlimpView;
+    }
+
     @Override
     public BlimpNavigationController getNavigationController() {
         return mBlimpNavigationController;