Add chrome://process-internals to chrome://chrome-urls.

Bug: 904116
Change-Id: Ibc4a571d0598707ed76c245858ee58a5fd7a88b5
Reviewed-on: https://chromium-review.googlesource.com/c/1475076Reviewed-by: Dan Beam <dbeam@chromium.org>
Commit-Queue: Nasko Oskov <nasko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632715}

chrome/common/webui_url_constants.cc

@@ -385,6 +385,7 @@ const char* const kChromeHostURLs[] = {
     content::kChromeUIMediaInternalsHost,
     content::kChromeUINetworkErrorHost,
     content::kChromeUINetworkErrorsListingHost,
+    content::kChromeUIProcessInternalsHost,
     content::kChromeUIServiceWorkerInternalsHost,
 #if !defined(OS_ANDROID)
     content::kChromeUITracingHost,