Expose the ability to perform a search from CVC.

content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
index 07bc91fa36c3e1a84f8f2e71bbaf3a6f1648d6b9..755feb78486280c52e6f0a2761957127619e1aec 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
@@ -152,6 +152,24 @@ public class ContentViewClient {
     }
 
     /**
+     * Perform a search on {@code searchQuery}.  This method is only called if
+     * {@link #doesPerformWebSearch()} returns {@code true}.
+     * @param searchQuery The string to search for.
+     */
+    public void performWebSearch(String searchQuery) {
+    }
+
+    /**
+     * If this returns {@code true} contextual web search attempts will be forwarded to
+     * {@link #performWebSearch(String)}.
+     * @return {@code true} iff this {@link ContentViewClient} wants to consume web search queries
+     *         and override the default intent behavior.
+     */
+    public boolean doesPerformWebSearch() {
+        return false;
+    }
+
+    /**
      * Called when a new content intent is requested to be started.
      */
     public void onStartContentIntent(Context context, String intentUrl) {