Revert of [devtools] Support different encodings for Page.CaptureScreenshot.

chrome/browser/chromeos/policy/remote_commands/device_command_screenshot_job.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_REMOTE_COMMANDS_DEVICE_COMMAND_SCREENSHOT_JOB_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_REMOTE_COMMANDS_DEVICE_COMMAND_SCREENSHOT_JOB_H_
 
 #include <stddef.h>
 
 #include <list>
@@ skipping 92 matching lines @@
   void OnFailure(UploadJob::ErrorCode error_code) override;
 
   // RemoteCommandJob:
   bool IsExpired(base::TimeTicks now) override;
   bool ParseCommandPayload(const std::string& command_payload) override;
   void RunImpl(const CallbackWithResult& succeeded_callback,
                const CallbackWithResult& failed_callback) override;
   void TerminateImpl() override;
 
   void StoreScreenshot(size_t screen,
-                       scoped_refptr<base::RefCountedMemory> png_data);
+                       scoped_refptr<base::RefCountedBytes> png_data);
 
   void StartScreenshotUpload();
 
   // The URL to which the POST request should be directed.
   GURL upload_url_;
 
   // The callback that will be called when the screenshot was successfully
   // uploaded.
   CallbackWithResult succeeded_callback_;
 
   // The callback that will be called when this command failed.
   CallbackWithResult failed_callback_;
 
   // Tracks the number of pending screenshots.
   int num_pending_screenshots_;
 
   // Caches the already completed screenshots for the different displays.
-  std::map<int, scoped_refptr<base::RefCountedMemory>> screenshots_;
+  std::map<int, scoped_refptr<base::RefCountedBytes>> screenshots_;
 
   // The Delegate is used to acquire screenshots and create UploadJobs.
   std::unique_ptr<Delegate> screenshot_delegate_;
 
   // The upload job instance that will upload the screenshots.
   std::unique_ptr<UploadJob> upload_job_;
 
   base::WeakPtrFactory<DeviceCommandScreenshotJob> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceCommandScreenshotJob);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_REMOTE_COMMANDS_DEVICE_COMMAND_SCREENSHOT_JOB_H_