Extract TabChromeWebContentsDelegateAndroid into a separate class.

chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivityTab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivityTab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivityTab.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivityTab.java
index 601189224089947fe9ae9d2b71b5e4d408b711a4..0167237097c9d06b8b6250ead17e18a5424e5fa2 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivityTab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivityTab.java
@@ -28,6 +28,7 @@ import org.chromium.chrome.browser.contextmenu.ContextMenuParams;
 import org.chromium.chrome.browser.contextmenu.ContextMenuPopulator;
 import org.chromium.chrome.browser.tab.ChromeTab;
 import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.chrome.browser.tab.TabChromeWebContentsDelegateAndroid;
 import org.chromium.chrome.browser.tab.TabUma.TabCreationState;
 import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
 import org.chromium.content_public.browser.LoadUrlParams;
@@ -308,11 +309,15 @@ public class FullScreenActivityTab extends ChromeTab {
 
     @Override
     protected FullScreenTabWebContentsDelegateAndroid createWebContentsDelegate() {
-        return new FullScreenTabWebContentsDelegateAndroid();
+        return new FullScreenTabWebContentsDelegateAndroid(this, mActivity);
     }
 
     private class FullScreenTabWebContentsDelegateAndroid
             extends TabChromeWebContentsDelegateAndroid {
+        public FullScreenTabWebContentsDelegateAndroid(Tab tab, ChromeActivity activity) {
+            super(tab, activity);
+        }
+
         @Override
         public void activateContents() {
             if (!(mActivity instanceof WebappActivity)) return;