[Contextual Search] Add support for crushed sprites and animate the search provider icon

chrome/android/java/src/org/chromium/chrome/browser/preferences/ChromePreferenceManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/ChromePreferenceManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/ChromePreferenceManager.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/ChromePreferenceManager.java
index f6e266c1e1fbd0c8c62e34d98aa4d055fa6f44c7..bd94fb157b908b4f575068a2af56612d9b462c49 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/ChromePreferenceManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/ChromePreferenceManager.java
@@ -29,6 +29,7 @@ public class ChromePreferenceManager {
     private static final String CONTEXTUAL_SEARCH_TAP_TRIGGERED_PROMO_COUNT =
             "contextual_search_tap_triggered_promo_count";
     private static final String CONTEXTUAL_SEARCH_TAP_COUNT = "contextual_search_tap_count";
+    private static final String CONTEXTUAL_SEARCH_LAST_TAP_DATE = "contextual_search_last_tap_date";
     private static final String ENABLE_CUSTOM_TABS = "enable_custom_tabs";
 
     private static final int SIGNIN_PROMO_CYCLE_IN_DAYS = 120;
@@ -230,6 +231,23 @@ public class ChromePreferenceManager {
     }
 
     /**
+     * @return The last day (in yyyy-MM-d format) the panel was shown due to a tap.
+     */
+    public String getContextualSearchLastTapDate() {
+        return mSharedPreferences.getString(CONTEXTUAL_SEARCH_LAST_TAP_DATE, "");
+    }
+
+    /**
+     * Sets the last day the panel was shown due to a tap.
+     * @param date The last day (in yyyy-MM-d format) the panel was shown due to a tap.
+     */
+    public void setContextualSearchLastTapDate(String date) {
+        SharedPreferences.Editor ed = mSharedPreferences.edit();
+        ed.putString(CONTEXTUAL_SEARCH_LAST_TAP_DATE, date);
+        ed.apply();
+    }
+
+    /**
      * @return Number of times the promo was triggered to peek by a tap gesture, or a negative value
      *         if in the disabled state.
      */