[cros] Remove redundant PNG enconding in UserImage.

chrome/browser/chromeos/login/user.h

 // Copyright (c) 2012 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_LOGIN_USER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "chrome/browser/chromeos/login/user_image.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace chromeos {
 
 // Fake username for the demo user.
 extern const char kDemoUser[];
 
 // Username for incognito login.
 extern const char kGuestUser[];
 
+extern const int kDefaultImagesCount;
+
 // A class representing information about a previously logged in user.
 // Each user has a canonical email (username), returned by |email()| and
 // may have a different displayed email (in the raw form as entered by user),
 // returned by |displayed_email()|.
 // Displayed emails are for use in UI only, anywhere else users must be referred
 // to by |email()|.
 class User {
  public:
   // User OAuth token status according to the last check.
   typedef enum {
@@ skipping 22 matching lines @@
   // Returns the human name to display for this user.
   string16 GetDisplayName() const;
 
   // Returns the account name part of the email. Use the display form of the
   // email if available and use_display_name == true. Otherwise use canonical.
   std::string GetAccountName(bool use_display_email) const;
 
   // The image for this user.
   const gfx::ImageSkia& image() const { return user_image_.image(); }
 
+  bool has_default_image() const {
+    return image_index_ >= 0 && image_index_ < kDefaultImagesCount;

[Nikita (slow), 2012/07/31 01:57:39]

nit: This doesn't seem like really "trivial" getter/setter, implementation
better me moved to .cc

+  }
+
   int image_index() const { return image_index_; }
   bool has_raw_image() const { return user_image_.has_raw_image(); }
   // Returns raw representation of static user image.
   const UserImage::RawImage& raw_image() const {
     return user_image_.raw_image();
   }
   bool has_animated_image() const { return user_image_.has_animated_image(); }
   // Returns raw representation of animated user image.
   const UserImage::RawImage& animated_image() const {
     return user_image_.animated_image();
@@ skipping 71 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(User);
 };
 
 // List of known users.
 typedef std::vector<User*> UserList;
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_H_