[TTS] Extract tapped text before showing UI.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchSelectionHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchSelectionHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchSelectionHandler.java
index 40892f4e09cee2e2f09562f905b67cfa5e54f63e..df375f5b583c310beed4c68870dd8c91585a2a26 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchSelectionHandler.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchSelectionHandler.java
@@ -31,7 +31,7 @@ interface ContextualSearchSelectionHandler {
      * Handle a new selection of the given type, created at the given x,y position.
      */
     public void handleSelection(String selection, boolean selectionValid, SelectionType type,
-            float x, float y);
+            float x, float y, long selectionStartTimeNanoseconds);
 
     /**
      * Handle a modification to the selection, done at the given x,y position.
@@ -61,6 +61,11 @@ interface ContextualSearchSelectionHandler {
     public void handleSuppressedTap();
 
     /**
+     * Handle Tap gesture that has not been suppressed by showing the Tap Search UX.
+     */
+    public void handleNonSuppressedTap();
+
+    /**
      * Handle updating metrics to reflect that a Tap gesture <i>would</i> be suppressed
      * for the given heuristics.
      * @param tapHeuristics The set of heuristics that would suppress the Tap.