use devtools command to do window management

chrome/test/chromedriver/chrome/chrome_desktop_impl.h

 // Copyright (c) 2013 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.
 
 #ifndef CHROME_TEST_CHROMEDRIVER_CHROME_CHROME_DESKTOP_IMPL_H_
 #define CHROME_TEST_CHROMEDRIVER_CHROME_CHROME_DESKTOP_IMPL_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/process/process.h"
+#include "base/values.h"
 #include "chrome/test/chromedriver/chrome/chrome_impl.h"
 
 namespace base {
 class TimeDelta;
 }
 
 class AutomationExtension;
 class DevToolsClient;
 class DevToolsHttpClient;
 class Status;
@@ skipping 33 matching lines @@
   bool IsMobileEmulationEnabled() const override;
   bool HasTouchScreen() const override;
   Status QuitImpl() override;
 
   const base::CommandLine& command() const;
   bool IsNetworkConnectionEnabled() const;
 
   int GetNetworkConnection() const;
   void SetNetworkConnection(int network_connection);
 
+  Status GetWindowPosition(std::string target_id, int* x, int* y);

[stgao, 2017/04/21 05:06:31]

const std::string & target_id ?

same for below.

[jzfeng, 2017/04/21 07:25:54]

Done.

+  Status GetWindowSize(std::string target_id, int* width, int* height);
+  Status SetWindowPosition(std::string target_id, int x, int y);
+  Status SetWindowSize(std::string target_id, int width, int height);
+  Status MaximizeWindow(std::string target_id);
+
  private:
+  struct Window {
+    int id;
+    std::string state;
+    int left;
+    int top;
+    int width;
+    int height;
+  };
+  Status ParseWindow(std::unique_ptr<base::DictionaryValue> params,
+                     Window* window);
+
+  Status GetWindow(std::string target_id, Window* window);
+  Status SetWindowState(int window_id, std::string window_state);
+  Status SetWindowBounds(std::string target_id,
+                         std::unique_ptr<base::DictionaryValue>);
+
   base::Process process_;
   base::CommandLine command_;
   base::ScopedTempDir user_data_dir_;
   base::ScopedTempDir extension_dir_;
   bool network_connection_enabled_;
   int network_connection_;
 
   // Lazily initialized, may be null.
   std::unique_ptr<AutomationExtension> automation_extension_;
 };
 
 #endif  // CHROME_TEST_CHROMEDRIVER_CHROME_CHROME_DESKTOP_IMPL_H_