Implement window management devtools commands for headless.

headless/lib/browser/headless_browser_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "headless/lib/browser/headless_browser_impl.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 45 matching lines @@
 
   std::unique_ptr<HeadlessBrowserImpl> browser(
       new HeadlessBrowserImpl(on_browser_start_callback, std::move(options)));
   headless::HeadlessContentMainDelegate delegate(std::move(browser));
   params.delegate = &delegate;
   return content::ContentMain(params);
 }
 
 }  // namespace
 
+HeadlessBrowserWindow::HeadlessBrowserWindow(gfx::Size size)
+    : bounds_(size), state_("normal") {}
+
+void HeadlessBrowserWindow::set_state(std::string state) {
+  DCHECK(state == "normal" || state == "minimized" || state == "maximized" ||
+         state == "fullscreen");
+  state_ = state;
+}
+
 HeadlessBrowserImpl::HeadlessBrowserImpl(
     const base::Callback<void(HeadlessBrowser*)>& on_start_callback,
     HeadlessBrowser::Options options)
     : on_start_callback_(on_start_callback),
       options_(std::move(options)),
+      window_(options_.window_size),
       browser_main_parts_(nullptr),
       default_browser_context_(nullptr),
       agent_host_(nullptr),
       weak_ptr_factory_(this) {}
 
 HeadlessBrowserImpl::~HeadlessBrowserImpl() {}
 
 HeadlessBrowserContext::Builder
 HeadlessBrowserImpl::CreateBrowserContextBuilder() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
@@ skipping 193 matching lines @@
 
   // Child processes should not end up here.
   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
       ::switches::kProcessType));
 #endif
   return RunContentMain(std::move(options),
                         std::move(on_browser_start_callback));
 }
 
 }  // namespace headless