PlzNavigate: Fix for the http/tests/inspector/resource-har-conversion.html layout test failure.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index 5d780754d11f74d3f14ae9294a9a6be4da8d3351..9883ad9dc0ab3b99ca1810e9046f9f5342a4e79a 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -552,6 +552,9 @@ NavigationPolicy FrameLoaderClientImpl::decidePolicyForNavigation(
   navigationInfo.isHistoryNavigationInNewChildFrame =
       isHistoryNavigationInNewChildFrame;
   navigationInfo.isClientRedirect = isClientRedirect;
+  // Caching could be disabled for requests initiated by DevTools.
+  navigationInfo.isCacheDisabled =
+      devToolsAgent() ? devToolsAgent()->cacheDisabled() : false;

[pfeldman, 2017/01/10 23:10:05]

Request already carries cache policy that inspector set to BypassingCache, can
you reuse it? If not, we should instroduce a bit on ResourceRequest for
consistency with the rest of the plumbing. Devtools' cache disabled state should
not be exposed outside network agent.

   if (form)
     navigationInfo.form = WebFormElement(form);