Expose the ability to perform a search from CVC.

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index a17709480fe324dacbf204f607f37d1785d3dc1f..49df3ef071104e3081f12556d0e263523cf279bc 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -24,6 +24,7 @@ import android.os.ResultReceiver;
 import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.text.Editable;
+import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
 import android.view.ActionMode;
@@ -2114,6 +2115,12 @@ import java.util.Map;
             }
 
             @Override
+            public boolean search() {
+                final String query = ContentViewCore.this.getSelectedText();
+                return !TextUtils.isEmpty(query) && getContentViewClient().performSearch(query);
+            }
+
+            @Override
             public boolean isSelectionEditable() {
                 return mSelectionEditable;
             }