[headless] AddWindowTreeClient

headless/public/headless_web_contents.h

Index: headless/public/headless_web_contents.h
diff --git a/headless/public/headless_web_contents.h b/headless/public/headless_web_contents.h
index d9b29b7c9daadd08ac2ea8eb0ac02f2be281d62d..0cdb58bbbf5425f438f77c25bcfe4b494d18da62 100644
--- a/headless/public/headless_web_contents.h
+++ b/headless/public/headless_web_contents.h
@@ -29,6 +29,8 @@ class HEADLESS_EXPORT HeadlessWebContents {
 
     // Indicates that this HeadlessWebContents instance is now ready to be
     // inspected using a HeadlessDevToolsClient.
+    //
+    // TODO(altimin): Support this event for pages that aren't created by us.
     virtual void DevToolsTargetReady() {}
 
    protected:
@@ -49,6 +51,9 @@ class HEADLESS_EXPORT HeadlessWebContents {
   // signaled.
   virtual HeadlessDevToolsTarget* GetDevToolsTarget() = 0;
 
+  // Close this page. |HeadlessWebContents| object will be destroyed.
+  virtual void Close() = 0;
+
  private:
   friend class HeadlessWebContentsImpl;
   HeadlessWebContents() {}