Remove unused Contextual Search methods.

chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java
index ddfe3335d21c0c28cb9a33442154052e56b759ee..8901fdecf0c25959af2c8f7b6e8eb7b73cf4cf3b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java
@@ -31,11 +31,6 @@ public interface ContextualSearchManagementDelegate {
     void logPromoOutcome();
 
     /**
-     * @return Whether or not the Contextual Search Bar is peeking.
-     */
-    boolean isSearchBarPeeking();
-
-    /**
      * Updates the top controls state for the base tab.  As these values are set at the renderer
      * level, there is potential for this impacting other tabs that might share the same
      * process. See {@link Tab#updateTopControlsState(int current, boolean animate)}