Support setting mouse cursor icon in Android N.

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 4d30cc70108004e1293246bc4584406ae55a5acd..68633360da69726226d68078fb2df3cbfe0f34b3 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -77,6 +77,7 @@
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_start.h"
 #include "skia/ext/image_operations.h"
+#include "third_party/WebKit/public/platform/WebCursorInfo.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/core/SkCanvas.h"
@@ -123,6 +124,7 @@ class PendingReadbackLock : public base::RefCounted<PendingReadbackLock> {
 
 using base::android::ApplicationState;
 using base::android::ApplicationStatusListener;
+using blink::WebCursorInfo;
 
 class GLHelperHolder {
  public:
@@ -718,7 +720,11 @@ float RenderWidgetHostViewAndroid::GetBottomControlsHeight() const {
 }
 
 void RenderWidgetHostViewAndroid::UpdateCursor(const WebCursor& cursor) {
-  // There are no cursors on Android.
+  CursorInfo cursor_info;
+  cursor.GetCursorInfo(&cursor_info);
+  view_.OnCursorChanged(cursor_info.type == WebCursorInfo::kTypeCustom,

[boliu, 2017/05/19 02:27:57]

this parameter is redundant, type is already passed

[jaebaek, 2017/05/22 12:08:35]

Done.

+                        cursor_info.type, cursor_info.custom_image,
+                        cursor_info.hotspot);
 }
 
 void RenderWidgetHostViewAndroid::SetIsLoading(bool is_loading) {