Enable pinch-zoom telemetry on Mac

content/browser/renderer_host/input/synthetic_touchscreen_pinch_gesture.h

Index: content/browser/renderer_host/input/synthetic_touchscreen_pinch_gesture.h
diff --git a/content/browser/renderer_host/input/synthetic_pinch_gesture.h b/content/browser/renderer_host/input/synthetic_touchscreen_pinch_gesture.h
similarity index 74%
copy from content/browser/renderer_host/input/synthetic_pinch_gesture.h
copy to content/browser/renderer_host/input/synthetic_touchscreen_pinch_gesture.h
index 71e79ec6b2b82972b944ded99ba07773b4aecdfb..a549db0caad00b9f396319e3b5bb860e927981bd 100644
--- a/content/browser/renderer_host/input/synthetic_pinch_gesture.h
+++ b/content/browser/renderer_host/input/synthetic_touchscreen_pinch_gesture.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_
-#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_
+#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TOUCHSCREEN_PINCH_GESTURE_H_
+#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TOUCHSCREEN_PINCH_GESTURE_H_
 
 #include "base/time/time.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
@@ -15,22 +15,19 @@
 
 namespace content {
 
-class CONTENT_EXPORT SyntheticPinchGesture : public SyntheticGesture {
+class CONTENT_EXPORT SyntheticTouchscreenPinchGesture
+    : public SyntheticGesture {
  public:
-  explicit SyntheticPinchGesture(const SyntheticPinchGestureParams& params);
-  ~SyntheticPinchGesture() override;
+  explicit SyntheticTouchscreenPinchGesture(
+      const SyntheticPinchGestureParams& params);
+  ~SyntheticTouchscreenPinchGesture() override;
 
   SyntheticGesture::Result ForwardInputEvents(
       const base::TimeTicks& timestamp,
       SyntheticGestureTarget* target) override;
 
  private:
-  enum GestureState {
-    SETUP,
-    STARTED,
-    MOVING,
-    DONE
-  };
+  enum GestureState { SETUP, STARTED, MOVING, DONE };
 
   void ForwardTouchInputEvents(const base::TimeTicks& timestamp,
                                SyntheticGestureTarget* target);
@@ -38,7 +35,8 @@ class CONTENT_EXPORT SyntheticPinchGesture : public SyntheticGesture {
   void UpdateTouchPoints(const base::TimeTicks& timestamp);
   void PressTouchPoints(SyntheticGestureTarget* target,
                         const base::TimeTicks& timestamp);
-  void MoveTouchPoints(SyntheticGestureTarget* target, float delta,
+  void MoveTouchPoints(SyntheticGestureTarget* target,
+                       float delta,
                        const base::TimeTicks& timestamp);
   void ReleaseTouchPoints(SyntheticGestureTarget* target,
                           const base::TimeTicks& timestamp);
@@ -61,9 +59,9 @@ class CONTENT_EXPORT SyntheticPinchGesture : public SyntheticGesture {
   base::TimeTicks stop_time_;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(SyntheticPinchGesture);
+  DISALLOW_COPY_AND_ASSIGN(SyntheticTouchscreenPinchGesture);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_
+#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TOUCHSCREEN_PINCH_GESTURE_H_