Ensure all infobars disappear when navigating between pages with infobars.

chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarWrapper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarWrapper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarWrapper.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarWrapper.java
index 2ed608c73798498c77b33aedcd39829546d6128b..f0c5e8cdf860e31f5b2ffafd12281e6788e843ae 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarWrapper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarWrapper.java
@@ -17,11 +17,14 @@ import org.chromium.chrome.R;
  */
 class InfoBarWrapper extends FrameLayout {
 
+    private final InfoBarContainerLayout.Item mItem;
+
     /**
      * Constructor for inflating from Java.
      */
-    InfoBarWrapper(Context context) {
+    InfoBarWrapper(Context context, InfoBarContainerLayout.Item item) {
         super(context);
+        mItem = item;
         Resources res = context.getResources();
         int peekingHeight = res.getDimensionPixelSize(R.dimen.infobar_peeking_height);
         int shadowHeight = res.getDimensionPixelSize(R.dimen.infobar_shadow_height);
@@ -32,6 +35,10 @@ class InfoBarWrapper extends FrameLayout {
         setPadding(0, shadowHeight, 0, 0);
     }
 
+    InfoBarContainerLayout.Item getItem() {
+        return mItem;
+    }
+
     @Override
     public void onViewAdded(View child) {
         child.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT,