Remove redundant reading and writing of data about SharedBuffer.

third_party/WebKit/Source/platform/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 298 matching lines @@
     "ScopedOrientationChangeIndicator.h",
     "ScriptForbiddenScope.cpp",
     "ScriptForbiddenScope.h",
     "SecureTextInput.cpp",
     "SecureTextInput.h",
     "SerializedResource.h",
     "SharedBuffer.cpp",
     "SharedBuffer.h",
     "SharedBufferChunkReader.cpp",
     "SharedBufferChunkReader.h",
+    "SharedBufferStep.cpp",
+    "SharedBufferStep.h",
     "StorageQuotaCallbacks.h",
     "Supplementable.cpp",
     "Supplementable.h",
     "Theme.cpp",
     "Theme.h",
     "ThemeTypes.h",
     "Timer.cpp",
     "Timer.h",
     "UUID.cpp",
     "UUID.h",
@@ skipping 1710 matching lines @@
   ]
 
   configs += [
     "//third_party/WebKit/Source/platform/wtf:wtf_config",
     "//third_party/WebKit/Source:config",
   ]
 
   defines = [ "INSIDE_BLINK" ]
 }
 
+test("deferred_image_decode_bench") {
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ "*" ]
+
+  sources = [
+    "testing/DeferredImageDecodeBench.cpp",
+  ]
+
+  deps = [
+    ":platform",
+    "//third_party/WebKit/Source/platform/wtf",
+    "//ui/gfx:test_support",
+  ]
+
+  configs += [
+    "//third_party/WebKit/Source/platform/wtf:wtf_config",
+    "//third_party/WebKit/Source:config",
+  ]
+
+  defines = [ "INSIDE_BLINK" ]
+}
+
 test("blink_platform_perftests") {
   sources = [
     "scheduler/base/task_queue_manager_delegate_for_test.cc",
     "scheduler/base/task_queue_manager_delegate_for_test.h",
     "scheduler/base/task_queue_manager_perftest.cc",
     "testing/BlinkPerfTestSuite.cpp",
     "testing/BlinkPerfTestSuite.h",
     "testing/RunAllPerfTests.cpp",
   ]
 
@@ skipping 197 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }