Record metrics for permission prompt acceptance vs. user gesture.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 1519047831fff0b41e65960d9ec3c19b55aa7d12..06e6861099f32b2387093f903e2ea3b5e9d7c0c8 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -38627,6 +38627,35 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Permissions.Prompt.Gesture.Accepted"
+    enum="PermissionBubbleType">
+  <owner>benwells@chromium.org</owner>
+  <owner>tsergeant@chromium.org</owner>
+  <summary>
+    Tracks the permission bubbles with gestures that are accepted. Bubbles where
+    it is unknown if there is a gesture, and merged bubbles, are not included.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Prompt.Gesture.Denied" enum="PermissionBubbleType">
+  <owner>benwells@chromium.org</owner>
+  <owner>tsergeant@chromium.org</owner>
+  <summary>
+    Tracks the permission bubbles with gestures that are denied. Bubbles where
+    it is unknown if there is a gesture, and merged bubbles, are not included.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Prompt.Gesture.Shown" enum="PermissionBubbleType">
+  <owner>benwells@chromium.org</owner>
+  <owner>tsergeant@chromium.org</owner>
+  <summary>
+    Tracks how many times permission prompts with gestures are shown to users.
+    Bubbles where it is unknown if there is a gesture, and merged bubbles, are
+    not included.
+  </summary>
+</histogram>
+
 <histogram name="Permissions.Prompt.MergedBubbleAccepted"
     enum="PermissionBubbleType">
   <owner>benwells@chromium.org</owner>
@@ -38657,6 +38686,39 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Permissions.Prompt.NoGesture.Accepted"
+    enum="PermissionBubbleType">
+  <owner>benwells@chromium.org</owner>
+  <owner>tsergeant@chromium.org</owner>
+  <summary>
+    Tracks the permission bubbles without gestures that are accepted. Bubbles
+    where it is unknown if there is a gesture, and merged bubbles, are not
+    included.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Prompt.NoGesture.Denied"
+    enum="PermissionBubbleType">
+  <owner>benwells@chromium.org</owner>
+  <owner>tsergeant@chromium.org</owner>
+  <summary>
+    Tracks the permission bubbles without gestures that are denied. Bubbles
+    where it is unknown if there is a gesture, and merged bubbles, are not
+    included.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Prompt.NoGesture.Shown"
+    enum="PermissionBubbleType">
+  <owner>benwells@chromium.org</owner>
+  <owner>tsergeant@chromium.org</owner>
+  <summary>
+    Tracks how many times permission prompts without gestures are shown to
+    users. Bubbles where it is unknown if there is a gesture, and merged
+    bubbles, are not included.
+  </summary>
+</histogram>
+
 <histogram name="Permissions.Prompt.RequestsPerPrompt">
   <owner>benwells@chromium.org</owner>
   <owner>tsergeant@chromium.org</owner>