Add a test that we resume commits after inserting the body.

Source/web/web.gypi

Index: Source/web/web.gypi
diff --git a/Source/web/web.gypi b/Source/web/web.gypi
index da000d5e09d9a1b7d3ff5cbe1a32dd3efd211043..8489a1f3395680caf00f4417fb47dc8d0eb2b65c 100644
--- a/Source/web/web.gypi
+++ b/Source/web/web.gypi
@@ -269,6 +269,7 @@
       'tests/ChromeClientImplTest.cpp',
       'tests/CustomEventTest.cpp',
       'tests/DocumentLoaderTest.cpp',
+      'tests/DocumentLoadingRenderingTest.cpp',
       'tests/FakeWebPlugin.cpp',
       'tests/FakeWebPlugin.h',
       'tests/FrameLoaderClientImplTest.cpp',
@@ -308,6 +309,14 @@
       'tests/WebUnitTests.cpp',
       'tests/WebUserGestureTokenTest.cpp',
       'tests/WebViewTest.cpp',
+      'tests/mocks/MockNetwork.cpp',
+      'tests/mocks/MockNetwork.h',
+      'tests/mocks/MockRequest.cpp',
+      'tests/mocks/MockRequest.h',
+      'tests/mocks/MockWebViewClient.cpp',
+      'tests/mocks/MockWebViewClient.h',
+      'tests/mocks/MockLayerTreeView.cpp',
+      'tests/mocks/MockLayerTreeView.h',
     ],
     'conditions': [
       ['OS=="win"',