media: Remove SkCanvasVideoRenderer cache invalidation.

media/blink/skcanvas_video_renderer.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 "media/blink/skcanvas_video_renderer.h"
 
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/common/mailbox_holder.h"
 #include "media/base/video_frame.h"
@@ skipping 109 matching lines @@
     color_space = kRec709_SkYUVColorSpace;
 
   SkImage* img = SkImage::NewFromYUVTexturesCopy(context_3d.gr_context,
                                                  color_space, handles, yuvSizes,
                                                  kTopLeft_GrSurfaceOrigin);
   DCHECK(img);
   gl->DeleteTextures(3, source_textures);
   return skia::AdoptRef(img);
 }
 
-bool ShouldCacheVideoFrameSkImage(const VideoFrame* video_frame) {
-  return !video_frame->HasTextures() ||
-         media::VideoFrame::NumPlanes(video_frame->format()) != 1 ||
-         video_frame->mailbox_holder(0).texture_target != GL_TEXTURE_2D;
-}
-
 // Creates a SkImage from a |video_frame| backed by native resources.
 // The SkImage will take ownership of the underlying resource.
 skia::RefPtr<SkImage> NewSkImageFromVideoFrameNative(
     VideoFrame* video_frame,
     const Context3D& context_3d) {
   DCHECK(PIXEL_FORMAT_ARGB == video_frame->format() ||
          PIXEL_FORMAT_UYVY == video_frame->format());
 
   const gpu::MailboxHolder& mailbox_holder = video_frame->mailbox_holder(0);
   DCHECK(mailbox_holder.texture_target == GL_TEXTURE_2D ||
@@ skipping 235 matching lines @@
     canvas->translate(-SkFloatToScalar(last_image_->width() * 0.5f),
                       -SkFloatToScalar(last_image_->height() * 0.5f));
   }
   canvas->drawImage(last_image_.get(), 0, 0, &paint);
 
   if (need_transform)
     canvas->restore();
   // Make sure to flush so we can remove the videoframe from the generator.
   canvas->flush();
 
-  if (!ShouldCacheVideoFrameSkImage(video_frame.get()))
-    ResetCache();
-
   if (video_frame->HasTextures()) {
     DCHECK(gl);
     SyncPointClientImpl client(gl);
     video_frame->UpdateReleaseSyncPoint(&client);
   }
 }
 
 void SkCanvasVideoRenderer::Copy(const scoped_refptr<VideoFrame>& video_frame,
                                  SkCanvas* canvas,
                                  const Context3D& context_3d) {
@@ skipping 190 matching lines @@
   video_frame->UpdateReleaseSyncPoint(&client);
 }
 
 void SkCanvasVideoRenderer::ResetCache() {
   // Clear cached values.
   last_image_ = nullptr;
   last_timestamp_ = kNoTimestamp();
 }
 
 }  // namespace media