cc: Remove all blimp code from cc.

cc/blimp/picture_data.cc

Index: cc/blimp/picture_data.cc
diff --git a/cc/blimp/picture_data.cc b/cc/blimp/picture_data.cc
deleted file mode 100644
index a7827f28320ba0e50392b9988a4d20264bc55279..0000000000000000000000000000000000000000
--- a/cc/blimp/picture_data.cc
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2016 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 "cc/blimp/picture_data.h"
-
-namespace cc {
-
-PictureData::PictureData(uint32_t unique_id, sk_sp<SkData> data)
-    : unique_id(unique_id), data(data) {}
-
-PictureData::PictureData(const PictureData& other) = default;
-
-PictureData::~PictureData() = default;
-
-}  // namespace cc