[TTS] Basic Tap Suppression functionality.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapState.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapState.java b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapState.java
index ce2495ef0b27a055685aed53b3f14c5b51c781dc..518121222e37210776ab13ecb1ed3b8d702d326f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapState.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapState.java
@@ -6,36 +6,50 @@ package org.chromium.chrome.browser.contextualsearch;
 
 /**
  * Encapsulates the state of a recent Tap gesture; x, y position and if suppressed.
+ * Instances of this class are immutable.
  */
 class ContextualSearchTapState {
-    private final boolean mWasSuppressed;
     private final float mX;
     private final float mY;
+    private final long mTapTimeNanoseconds;
+    private final boolean mWasSuppressed;
 
     /**
      * Constructs a Tap at the given x,y position and indicates if the tap was suppressed or not.
+     * @param x The x coordinate of the current tap.
+     * @param y The y coordinate of the current tap.
+     * @param tapTimeNanoseconds The timestamp when the Tap occurred.
+     * @param wasSuppressed Whether this tap was suppressed for any reason.
      */
-    ContextualSearchTapState(float x, float y, boolean wasSuppressed) {
-        mWasSuppressed = wasSuppressed;
+    ContextualSearchTapState(float x, float y, long tapTimeNanoseconds, boolean wasSuppressed) {
         mX = x;
         mY = y;
+        mTapTimeNanoseconds = tapTimeNanoseconds;
+        mWasSuppressed = wasSuppressed;
     }
 
     /**
      * @return The x coordinate of the Tap.
      */
-    float x() {
+    float getX() {
         return mX;
     }
 
     /**
      * @return The y coordinate of the Tap.
      */
-    float y() {
+    float getY() {
         return mY;
     }
 
     /**
+     * @return The time of the Tap in nanoseconds.
+     */
+    long tapTimeNanoseconds() {
+        return mTapTimeNanoseconds;
+    }
+
+    /**
      * @return Whether this Tap was suppressed.
      */
     boolean wasSuppressed() {