MacViews: Handle three-finger swipe gestures for navigation.

chrome/browser/ui/views/frame/browser_view.h

Index: chrome/browser/ui/views/frame/browser_view.h
diff --git a/chrome/browser/ui/views/frame/browser_view.h b/chrome/browser/ui/views/frame/browser_view.h
index bcfdd06af0090b5921ff51fcc517f770ab60b7ad..0bd2eaeda560a5b71c939079720e2801eedf9c4f 100644
--- a/chrome/browser/ui/views/frame/browser_view.h
+++ b/chrome/browser/ui/views/frame/browser_view.h
@@ -441,6 +441,7 @@ class BrowserView : public BrowserWindow,
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   void OnThemeChanged() override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
+  void OnGestureEvent(ui::GestureEvent* event) override;

[tapted, 2017/02/13 11:26:24]

nit: sort according to view.h order (double-check, but I think this should move
up a line)

[themblsha, 2017/02/15 17:35:34]

Sorting them all correctly will introduce a major diff, as I would also need to
re-shuffle the .cc methods. This is probably an overkill for this CL.

--- a/chrome/browser/ui/views/frame/browser_view.h
+++ b/chrome/browser/ui/views/frame/browser_view.h
@@ -433,15 +433,15 @@ class BrowserView : public BrowserWindow,
   bool DrawInfoBarArrows(int* x) const override;
 
   // Overridden from views::View:
-  const char* GetClassName() const override;
   void Layout() override;
+  const char* GetClassName() const override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
+  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
+  void ChildPreferredSizeChanged(View* child) override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
-  void ChildPreferredSizeChanged(View* child) override;
-  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   void OnThemeChanged() override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
-  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // Overridden from ui::AcceleratorTarget:
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;

[tapted, 2017/02/15 22:25:52]

Acknowledged.

 
   // Overridden from ui::AcceleratorTarget:
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;