[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..77460a8c445ee2a2562757ce9313c11c05fca26b 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 +29,8 @@ 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_ANIMATION_ON_TAP_TIME =
+            "contextual_search_last_animation_on_tap_time";
     private static final String ENABLE_CUSTOM_TABS = "enable_custom_tabs";
 
     private static final int SIGNIN_PROMO_CYCLE_IN_DAYS = 120;
@@ -230,6 +232,23 @@ public class ChromePreferenceManager {
     }
 
     /**
+     * @return The last time the search provider icon was animated on tap.
+     */
+    public long getContextualSearchLastAnimationOnTapTime() {

[newt (away), 2015/09/14 19:59:29]

This name is very precise, but something of a mouthful.
getContextualSearchLastAnimationTime() might be OK too.

[Theresa, 2015/09/25 00:58:13]

Done.

+        return mSharedPreferences.getLong(CONTEXTUAL_SEARCH_LAST_ANIMATION_ON_TAP_TIME, 0);
+    }
+
+    /**
+     * Sets the last time the search provider icon was animated on tap.
+     * @param time The last time the search provider icon was animated on tap.
+     */
+    public void setContextualSearchLastAnimationOnTapTime(long time) {
+        SharedPreferences.Editor ed = mSharedPreferences.edit();
+        ed.putLong(CONTEXTUAL_SEARCH_LAST_ANIMATION_ON_TAP_TIME, time);
+        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.
      */