Dump VMRegions for mixed stacks.

VM regions are necessary to symbolize mixed stacks.

Change-Id: I90571853483f33ed448b36fd061e57d8c9c8d7bc
Reviewed-on: https://chromium-review.googlesource.com/969334
Commit-Queue: Erik Chen <[email protected]>
Reviewed-by: Siddhartha S <[email protected]>
Cr-Commit-Position: refs/heads/master@{#544871}
diff --git a/chrome/browser/profiling_host/profiling_test_driver.h b/chrome/browser/profiling_host/profiling_test_driver.h
index c9f9633..2f3dcbb4 100644
--- a/chrome/browser/profiling_host/profiling_test_driver.h
+++ b/chrome/browser/profiling_host/profiling_test_driver.h
@@ -102,6 +102,7 @@
   bool ShouldProfileRenderer();
   bool ShouldIncludeNativeThreadNames();
   bool HasPseudoFrames();
+  bool HasNativeFrames();
   bool IsRecordingAllAllocations();
 
   void WaitForProfilingToStartForAllRenderersUIThread();