Pass SkPaint instead of its alpha and mode in WebMediaPlayer::paint

content/renderer/media/android/webmediaplayer_android.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/android/webmediaplayer_android.h"
 
 #include <stddef.h>
 
 #include <limits>
 
@@ skipping 602 matching lines @@
 }
 
 bool WebMediaPlayerAndroid::didLoadingProgress() {
   bool ret = did_loading_progress_;
   did_loading_progress_ = false;
   return ret;
 }
 
 void WebMediaPlayerAndroid::paint(blink::WebCanvas* canvas,
                                   const blink::WebRect& rect,
-                                  unsigned char alpha,
-                                  SkXfermode::Mode mode) {
+                                  SkPaint& paint) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
   std::unique_ptr<blink::WebGraphicsContext3DProvider> provider(
       blink::Platform::current()
           ->createSharedOffscreenGraphicsContext3DProvider());
   if (!provider)
     return;
   gpu::gles2::GLES2Interface* gl = provider->contextGL();
 
   scoped_refptr<VideoFrame> video_frame;
   {
@@ skipping 27 matching lines @@
                                                 kOpaque_SkAlphaType));
   if (!image)
     return;
 
   // Draw the texture based image onto the Canvas. If the canvas is
   // hardware based, this will do a GPU-GPU texture copy.
   // If the canvas is software based, the texture based bitmap will be
   // readbacked to system memory then draw onto the canvas.
   SkRect dest;
   dest.set(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height);
-  SkPaint paint;
-  paint.setAlpha(alpha);
-  paint.setXfermodeMode(mode);
+  SkPaint video_paint;
+  video_paint.setAlpha(paint.getAlpha());
+  SkXfermode::Mode mode;
+  if (!SkXfermode::AsMode(paint.getXfermode(), &mode))
+    mode = SkXfermode::kSrcOver_Mode;
+  video_paint.setXfermodeMode(mode);
   // It is not necessary to pass the dest into the drawBitmap call since all
   // the context have been set up before calling paintCurrentFrameInContext.
-  canvas->drawImageRect(image, dest, &paint);
+  canvas->drawImageRect(image, dest, &video_paint);
 
   // Ensure the Skia draw of the GL texture is flushed to GL, delete the
   // mailboxed texture from this context, and then signal that we're done with
   // the video frame.
   canvas->flush();
   gl->DeleteTextures(1, &src_texture);
   gl->Flush();
   SyncTokenClientImpl client(gl);
   video_frame->UpdateReleaseSyncToken(&client);
 }
@@ skipping 1019 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableMediaSuspend)) {
     return false;
   }
 
   return base::FeatureList::IsEnabled(media::kResumeBackgroundVideo) &&
       hasAudio() && !isRemote() && delegate_ && delegate_->IsHidden();
 }
 
 }  // namespace content