Revert of Moves mojo_js_integration_tests into blink.

third_party/WebKit/Source/core/mojo/BUILD.gn

Index: third_party/WebKit/Source/core/mojo/BUILD.gn
diff --git a/third_party/WebKit/Source/core/mojo/BUILD.gn b/third_party/WebKit/Source/core/mojo/BUILD.gn
index fb415713f7212c43e9ba8ba8d9e948498af92adb..d28d6fed806523c7e4737d98b8ea45e2bf17414f 100644
--- a/third_party/WebKit/Source/core/mojo/BUILD.gn
+++ b/third_party/WebKit/Source/core/mojo/BUILD.gn
@@ -2,7 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//mojo/public/tools/bindings/mojom.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("mojo") {
@@ -19,39 +18,3 @@
     "//mojo/public/cpp/system",
   ]
 }
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "tests/JsToCppTest.cpp",
-  ]
-
-  data = [
-    "tests/JsToCppTest.js",
-  ]
-
-  configs += [
-    "//third_party/WebKit/Source/core:blink_core_pch",
-    "//third_party/WebKit/Source:config",
-    "//third_party/WebKit/Source:inside_blink",
-  ]
-
-  deps = [
-    ":test_bindings_blink",
-    "//mojo/public/cpp/bindings",
-    "//testing/gtest",
-    "//third_party/WebKit/Source/core:core",
-    "//third_party/WebKit/Source/core:testing",
-  ]
-
-  data_deps = [
-    ":test_bindings",  # For JS bindings: crbug.com/729649.
-    "//mojo/public/js:new_bindings",
-  ]
-}
-
-mojom("test_bindings") {
-  sources = [
-    "tests/JsToCpp.mojom",
-  ]
-}