Move ImageSerializationProcessor code to blimp/client/core

blimp/client/core/compositor/BUILD.gn

+# 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.
+
+source_set("compositor") {
+  visibility = [ "//blimp/client/*" ]
+
+  sources = [
+    "blimp_client_picture_cache.cc",
+    "blimp_client_picture_cache.h",
+    "blimp_image_decoder.cc",
+    "blimp_image_decoder.h",
+    "blob_image_serialization_processor.cc",
+    "blob_image_serialization_processor.h",
+    "decoding_image_generator.cc",
+    "decoding_image_generator.h",
+  ]
+
+  deps = [
+    "//blimp/net",
+    "//third_party/libwebp",
+  ]
+
+  public_deps = [
+    "//base",
+    "//blimp/common",
+    "//blimp/common/proto",
+    "//cc",
+    "//skia",
+  ]
+}
+
+source_set("unit_tests") {
+  visibility = [ "//blimp/client/core:unit_tests" ]
+
+  testonly = true
+
+  sources = [
+    "blimp_client_picture_cache_unittest.cc",
+  ]
+
+  deps = [
+    ":compositor",
+    "//blimp/test:support",
+    "//skia",
+    "//testing/gtest",
+  ]
+}