Remove a un-necessary initialization line

media/renderers/skcanvas_video_renderer_unittest.cc

 // Copyright (c) 2012 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 <stdint.h>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface_stub.h"
@@ skipping 224 matching lines @@
       break;
     case kGreen:
       media::FillYUV(video_frame.get(), 149, 43, 21);
       break;
     case kBlue:
       media::FillYUV(video_frame.get(), 29, 255, 107);
       break;
   }
   SkPaint paint;
   paint.setXfermodeMode(mode);
-  paint.setAlpha(0xFF);
   paint.setFilterQuality(kLow_SkFilterQuality);
   renderer_.Paint(video_frame, canvas, dest_rect, paint, video_rotation,
                   Context3D());
 }
 
 void SkCanvasVideoRendererTest::Copy(
     const scoped_refptr<VideoFrame>& video_frame,
     SkCanvas* canvas) {
   renderer_.Copy(video_frame, canvas, Context3D());
 }
@@ skipping 285 matching lines @@
   auto video_frame = VideoFrame::WrapNativeTextures(
       PIXEL_FORMAT_UYVY, holders, base::Bind(MailboxHoldersReleased), size,
       gfx::Rect(size), size, kNoTimestamp);
 
   SkPaint paint;
   paint.setFilterQuality(kLow_SkFilterQuality);
   renderer_.Paint(video_frame, &canvas, kNaturalRect, paint, VIDEO_ROTATION_90,
                   context_3d);
 }
 }  // namespace media