ABANDONED CL: Shared-memory-based approach to layout tests runtime flags replication.

components/test_runner/web_test_runner.h

Index: components/test_runner/web_test_runner.h
diff --git a/components/test_runner/web_test_runner.h b/components/test_runner/web_test_runner.h
index 612baf75fca2fbd1124768c23bb31769c50afe10..57762034c4359198e2465663201281994dee5c06 100644
--- a/components/test_runner/web_test_runner.h
+++ b/components/test_runner/web_test_runner.h
@@ -18,6 +18,14 @@ struct LayoutDumpFlags;
 
 class WebTestRunner {
  public:
+  // Resets everything (i.e. LayoutDumpFlags) in preparation for the next test.
+  virtual void Reset() = 0;
+
+  // Used to provide the test runner with the pointer to memory shared across
+  // all renderers (and containing LayoutDumpFlags).
+  virtual void SetSharedLayoutDumpFlags(
+      LayoutDumpFlags* shared_layout_dump_flags) = 0;
+
   // Returns a mock WebContentSettings that is used for layout tests. An
   // embedder should use this for all WebViews it creates.
   virtual blink::WebContentSettingsClient* GetWebContentSettings() const = 0;