Support setting mouse cursor icon in Android N.

ui/android/view_android.h

Index: ui/android/view_android.h
diff --git a/ui/android/view_android.h b/ui/android/view_android.h
index fbd3c452cd1bfc555b5e50c828b7d4f2ad255c22..1a81fcd3c96a7d1d2229185bf1e0b0adb3203240 100644
--- a/ui/android/view_android.h
+++ b/ui/android/view_android.h
@@ -10,7 +10,9 @@
 #include "base/android/jni_weak_ref.h"
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
+#include "ui/android/cursor_type.h"
 #include "ui/android/ui_android_export.h"
+#include "ui/gfx/android/java_bitmap.h"

[Jinsuk Kim, 2017/05/17 04:49:50]

What is this included for? If for SkBitmap then directly include the one(s) that
defines what you need instead.

[jaebaek, 2017/05/18 01:44:29]

Done.

 #include "ui/gfx/geometry/rect_f.h"
 
 namespace cc {
@@ -133,6 +135,9 @@ class UI_ANDROID_EXPORT ViewAndroid {
   bool StartDragAndDrop(const base::android::JavaRef<jstring>& jtext,
                         const base::android::JavaRef<jobject>& jimage);
 
+  void OnCursorChanged(CursorType type,
+                       const SkBitmap& custom_image,
+                       const gfx::Point& hotspot);
   void OnBackgroundColorChanged(unsigned int color);
   void OnTopControlsChanged(float top_controls_offset,
                             float top_content_offset);