stop using SkXfermode -- use SkBlendMode instead

chrome/browser/renderer_context_menu/render_view_context_menu.cc

Index: chrome/browser/renderer_context_menu/render_view_context_menu.cc
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu.cc b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
index 991f098fd38a38fd5eb105e9285ed5408cfc4002..18145f7e566b97f0fbe60db3e36d36706f53f7ad 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu.cc
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
@@ -455,7 +455,7 @@ void AddAvatarToLastMenuItem(gfx::Image icon, ui::SimpleMenuModel* menu) {
   gfx::Path circular_mask;
   gfx::Canvas canvas(icon.Size(), 1.0f, true);
   canvas.FillRect(gfx::Rect(icon.Size()), SK_ColorTRANSPARENT,
-                  SkXfermode::kClear_Mode);
+                  SkBlendMode::kClear);
   circular_mask.addCircle(SkIntToScalar(width) / 2, SkIntToScalar(height) / 2,
                           SkIntToScalar(std::min(width, height)) / 2);
   canvas.ClipPath(circular_mask, true);