Implement window management devtools commands for headless.

headless/lib/headless_browser_browsertest.cc

 // Copyright 2016 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 <memory>
 
 #include "base/command_line.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/memory/ptr_util.h"
@@ skipping 366 matching lines @@
                   ->GetValue()
                   ->GetAsInteger(&window_width));
   EXPECT_TRUE(EvaluateScript(web_contents, "window.innerHeight")
                   ->GetResult()
                   ->GetValue()
                   ->GetAsInteger(&window_height));
 
 #if !defined(OS_MACOSX)
   // On Mac headless does not override the screen dimensions, so they are
   // left with the actual screen values.
-  EXPECT_EQ(kDefaultOptions.window_size.width(), screen_width);
-  EXPECT_EQ(kDefaultOptions.window_size.height(), screen_height);
+  EXPECT_EQ(kDefaultOptions.screen_size.width(), screen_width);
+  EXPECT_EQ(kDefaultOptions.screen_size.height(), screen_height);
 #endif  // !defined(OS_MACOSX)
   EXPECT_EQ(kDefaultOptions.window_size.width(), window_width);
   EXPECT_EQ(kDefaultOptions.window_size.height(), window_height);
 }
 
 namespace {
 
 class ProtocolHandlerWithCookies
     : public net::URLRequestJobFactory::ProtocolHandler {
  public:
@@ skipping 490 matching lines @@
 
   TraceHelper helper(this, target);
   RunAsynchronousTest();
 
   std::unique_ptr<base::ListValue> tracing_data = helper.TakeTracingData();
   EXPECT_TRUE(tracing_data);
   EXPECT_LT(0u, tracing_data->GetSize());
 }
 
 }  // namespace headless