Initial implementation for sharing field trial state (win)

content/browser/child_process_launcher.h

Index: content/browser/child_process_launcher.h
diff --git a/content/browser/child_process_launcher.h b/content/browser/child_process_launcher.h
index b0cf02ca54eb731f166218575b235e77dac92fd8..943aba2e1ab89ce640824e2e142e989a06e3086d 100644
--- a/content/browser/child_process_launcher.h
+++ b/content/browser/child_process_launcher.h
@@ -7,6 +7,7 @@
 
 #include "base/files/scoped_file.h"
 #include "base/macros.h"
+#include "base/memory/shared_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
@@ -79,6 +80,7 @@ class CONTENT_EXPORT ChildProcessLauncher : public base::NonThreadSafe {
       base::CommandLine* cmd_line,
       int child_process_id,
       Client* client,
+      const base::SharedMemory* field_trial_state,
       const std::string& mojo_child_token,
       const mojo::edk::ProcessErrorCallback& process_error_callback,
       bool terminate_on_shutdown = true);
@@ -116,7 +118,8 @@ class CONTENT_EXPORT ChildProcessLauncher : public base::NonThreadSafe {
   // Posts a task to the launcher thread to do the actual work.
   void Launch(SandboxedProcessLauncherDelegate* delegate,
               base::CommandLine* cmd_line,
-              int child_process_id);
+              int child_process_id,
+              const base::SharedMemory* field_trial_state);
 
   void UpdateTerminationStatus(bool known_dead);