[App banners] Update accessibility strings

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
index 5c57008960c38f305e6eb1ea6591130cfe3ff2e7..fe982d09e46bda099524ecd77ed3c01bc81d6e37 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
@@ -89,6 +89,9 @@ public class AppBannerInfoBar extends ConfirmInfoBar implements View.OnClickList
             layout.setCustomViewInButtonRow(playLogo);
 
             ratingView.setRating(mAppData.rating());
+            ratingView.setContentDescription(context.getString(
+                    R.string.app_banner_view_native_app_rating_accessibility, mAppData.rating()));
+
             layout.getPrimaryButton().setButtonColor(getContext().getResources().getColor(
                     R.color.app_banner_install_button_bg));
             layout.setContentDescription(context.getString(
@@ -106,7 +109,11 @@ public class AppBannerInfoBar extends ConfirmInfoBar implements View.OnClickList
 
         // Set up clicking on the controls to bring up the app details.
         mTitleView.setOnClickListener(this);
-        if (mIconView != null) mIconView.setOnClickListener(this);
+        if (mIconView != null) {
+            mIconView.setOnClickListener(this);
+            mIconView.setContentDescription(context.getString(
+                    R.string.app_banner_view_icon_accessibility, mAppTitle));
+        }
     }
 
     @Override