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

content/shell/browser/layout_test/blink_test_controller.h

Index: content/shell/browser/layout_test/blink_test_controller.h
diff --git a/content/shell/browser/layout_test/blink_test_controller.h b/content/shell/browser/layout_test/blink_test_controller.h
index 47d3760466253ddecf9bcf6c8174f0e890e13db3..0a973f68f485892c32d859e88376900320e29f86 100644
--- a/content/shell/browser/layout_test/blink_test_controller.h
+++ b/content/shell/browser/layout_test/blink_test_controller.h
@@ -13,6 +13,7 @@
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/shared_memory.h"
 #include "base/scoped_observer.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/non_thread_safe.h"
@@ -33,10 +34,6 @@
 
 class SkBitmap;
 
-namespace test_runner {
-struct LayoutDumpFlags;
-}
-
 namespace url {
 class Origin;
 }
@@ -194,8 +191,7 @@ class BlinkTestController : public base::NonThreadSafe,
   void OnAudioDump(const std::vector<unsigned char>& audio_dump);
   void OnImageDump(const std::string& actual_pixel_hash, const SkBitmap& image);
   void OnTextDump(const std::string& dump);
-  void OnInitiateLayoutDump(
-      const test_runner::LayoutDumpFlags& layout_dump_flags);
+  void OnInitiateLayoutDump(bool dump_child_frames);
   void OnLayoutDumpResponse(RenderFrameHost* sender, const std::string& dump);
   void OnPrintMessage(const std::string& message);
   void OnOverridePreferences(const WebPreferences& prefs);
@@ -265,6 +261,9 @@ class BlinkTestController : public base::NonThreadSafe,
   ScopedObserver<RenderProcessHost, RenderProcessHostObserver>
       render_process_host_observer_;
 
+  // Memory backing LayoutDumpFlags (shared across all renderers).
+  base::SharedMemory layout_dump_flags_memory_;
+
 #if defined(OS_ANDROID)
   // Because of the nested message pump implementation, Android needs to allow
   // waiting on the UI thread while layout tests are being ran.