Add about://flags for VizDisplayCompositor.

Bug: 787097
Change-Id: I3daa637efa5f47ecedaf81e4e043f38b317ad027
Reviewed-on: https://chromium-review.googlesource.com/899696
Reviewed-by: Fady Samuel <[email protected]>
Reviewed-by: Mark Pearson <[email protected]>
Commit-Queue: kylechar <[email protected]>
Cr-Commit-Position: refs/heads/master@{#534485}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index b65d298..8852e8b 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -494,6 +494,11 @@
 const char kEnableOutOfBlinkCORSDescription[] =
     "CORS handling logic is moved out of blink.";
 
+const char kVizDisplayCompositorName[] = "Viz Display Compositor (OOP-D)";
+const char kVizDisplayCompositorDescription[] =
+    "If enabled, the display compositor runs as part of the viz service in the"
+    "GPU process.";
+
 const char kEnableOutOfProcessHeapProfilingName[] =
     "Out of process heap profiling start mode.";
 const char kEnableOutOfProcessHeapProfilingDescription[] =