Remove dependency from infobars component to the embedder

components/infobars/core/infobar.h

 // Copyright 2014 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 COMPONENTS_INFOBARS_CORE_INFOBAR_H_
 #define COMPONENTS_INFOBARS_CORE_INFOBAR_H_
 
 #include <utility>
 
 #include "base/memory/scoped_ptr.h"
 #include "components/infobars/core/infobar_delegate.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/animation/slide_animation.h"
 #include "ui/gfx/size.h"
 
 namespace infobars {
 
 class InfoBarContainer;
 class InfoBarManager;
 
+// InfoBarConstants holds embedder specific constants used by InfoBar
+// animation implementation.
+struct InfoBarConstants {
+  int separator_line_height;
+  int default_bar_target_height;
+  int default_arrow_target_height;
+  int maximum_arrow_target_height;
+  // The half-width (see comments on |arrow_half_width_| below) scales to its
+  // default and maximum values proportionally to how the height scales to its.
+  int default_arrow_target_half_width;
+  int maximum_arrow_target_half_width;
+};
+
 // InfoBar is a cross-platform base class for an infobar "view" (in the MVC
 // sense), which owns a corresponding InfoBarDelegate "model".  Typically,
 // a caller will call XYZInfoBarDelegate::Create() and pass in the
 // InfoBarManager for the relevant tab.  This will create an XYZInfoBarDelegate,
 // create a platform-specific subclass of InfoBar to own it, and then call
 // InfoBarManager::AddInfoBar() to give it ownership of the infobar.
 // During its life, the InfoBar may be shown and hidden as the owning tab is
 // switched between the foreground and background.  Eventually, InfoBarManager
 // will instruct the InfoBar to close itself.  At this point, the InfoBar will
 // optionally animate closed; once it's no longer visible, it deletes itself,
 // destroying the InfoBarDelegate in the process.
 //
 // Thus, InfoBarDelegate and InfoBar implementations can assume they share
 // lifetimes, and not NULL-check each other; but if one needs to reach back into
 // the owning InfoBarManager, it must check whether that's still possible.
 class InfoBar : public gfx::AnimationDelegate {
  public:
   // These are the types passed as Details for infobar-related notifications.
   typedef InfoBar AddedDetails;
   typedef std::pair<InfoBar*, bool> RemovedDetails;
 
-  // Platforms must define these.
-  static const int kDefaultBarTargetHeight;
-  static const int kSeparatorLineHeight;
-  static const int kDefaultArrowTargetHeight;
-  static const int kMaximumArrowTargetHeight;
-  // The half-width (see comments on |arrow_half_width_| below) scales to its
-  // default and maximum values proportionally to how the height scales to its.
-  static const int kDefaultArrowTargetHalfWidth;
-  static const int kMaximumArrowTargetHalfWidth;
-
-  explicit InfoBar(scoped_ptr<InfoBarDelegate> delegate);
+  InfoBar(scoped_ptr<InfoBarDelegate> delegate);
   ~InfoBar() override;
 
   static SkColor GetTopColor(InfoBarDelegate::Type infobar_type);
   static SkColor GetBottomColor(InfoBarDelegate::Type infobar_type);
 
   InfoBarManager* owner() { return owner_; }
   InfoBarDelegate* delegate() const { return delegate_.get(); }
   void set_container(InfoBarContainer* container) { container_ = container; }
 
   // Sets |owner_|.  This also calls StoreActiveEntryUniqueID() on |delegate_|.
@@ skipping 78 matching lines @@
   int arrow_half_width_;     // Includes only fill.
   int bar_height_;           // Includes both fill and bottom separator.
   int bar_target_height_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBar);
 };
 
 }  // namespace infobars
 
 #endif  // COMPONENTS_INFOBARS_CORE_INFOBAR_H_