[TTS] Fix metrics on re-tap to count both taps.

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java
index 58e0a44579bd7a62a658c1e82422f2921e7d1428..ca02f022d1fa04218dd1174598e55be7439a1683 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java
@@ -533,6 +533,16 @@ public class ContextualSearchPanel extends OverlayPanel {
         return super.getPanelState();
     }
 
+    @Override
+    public void requestPanelShow(StateChangeReason reason) {
+        // If a re-tap is causing the panel to show when already shown, the superclass may ignore
+        // that, but we want to be sure to capture search metrics for each tap.
+        if (isShowing() && getPanelState() == PanelState.PEEKED) {
+            peekPanel(reason);
+        }
+        super.requestPanelShow(reason);
+    }
+
     /**
      * Gets whether a touch on the content view has been done yet or not.
      */