Add specific headless_shell_win.cc and headless_content_main_delegate_win.cc

headless/app/headless_shell.h

Index: headless/app/headless_shell.h
diff --git a/headless/app/headless_shell.h b/headless/app/headless_shell.h
index c6411ca45583baec423d855292b119385cadaf92..e9d94f5799527723199281bc200a57a680c6d677 100644
--- a/headless/app/headless_shell.h
+++ b/headless/app/headless_shell.h
@@ -32,7 +32,7 @@ class HeadlessShell : public HeadlessWebContents::Observer,
   HeadlessShell();
   ~HeadlessShell() override;
 
-  void OnStart(HeadlessBrowser* browser);
+  virtual void OnStart(HeadlessBrowser* browser);
 
   HeadlessDevToolsClient* devtools_client() const {
     return devtools_client_.get();
@@ -40,7 +40,7 @@ class HeadlessShell : public HeadlessWebContents::Observer,
 
  private:
   // HeadlessWebContents::Observer implementation:
-  void DevToolsTargetReady() override;
+  virtual void DevToolsTargetReady() override;

[alex clarke (OOO till 29th), 2017/05/17 08:45:02]

You shouldn't need both virtual and override. In fact it looks like this is
breaking the compile for some platforms.

   void OnTargetCrashed(const inspector::TargetCrashedParams& params) override;
 
   // emulation::Observer implementation:
@@ -52,7 +52,7 @@ class HeadlessShell : public HeadlessWebContents::Observer,
   void OnNavigationRequested(
       const headless::page::NavigationRequestedParams& params) override;
 
-  void Shutdown();
+  virtual void Shutdown();
 
   void FetchTimeout();