Move gif image decoder to SkCodec

third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp

Index: third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp
diff --git a/third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp b/third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp
index a26594466b40fd22c60878b786095b05772c5a92..7dd4c121ff0475ba2c210f7965ee20ebdd0d606d 100644
--- a/third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp
+++ b/third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp
@@ -83,7 +83,11 @@ bool ImageFrame::CopyBitmapData(const ImageFrame& other) {
   DCHECK_NE(this, &other);
   has_alpha_ = other.has_alpha_;
   bitmap_.reset();
-  return other.bitmap_.copyTo(&bitmap_, other.bitmap_.colorType());
+  bool copied = other.bitmap_.copyTo(&bitmap_, other.bitmap_.colorType());
+  if (copied)
+    status_ = kFrameAllocated;
+
+  return copied;
 }
 
 bool ImageFrame::TakeBitmapDataIfWritable(ImageFrame* other) {
@@ -97,6 +101,7 @@ bool ImageFrame::TakeBitmapDataIfWritable(ImageFrame* other) {
   bitmap_.reset();
   bitmap_.swap(other->bitmap_);
   other->status_ = kFrameEmpty;
+  status_ = kFrameAllocated;
   return true;
 }
 
@@ -110,7 +115,11 @@ bool ImageFrame::AllocatePixelData(int new_width,
       new_width, new_height,
       premultiply_alpha_ ? kPremul_SkAlphaType : kUnpremul_SkAlphaType,
       std::move(color_space)));
-  return bitmap_.tryAllocPixels(allocator_, 0);
+  bool allocated = bitmap_.tryAllocPixels(allocator_, 0);
+  if (allocated)
+    status_ = kFrameAllocated;
+
+  return allocated;
 }
 
 bool ImageFrame::HasAlpha() const {