[mus+ash] Fixes minimum browser window size (store / retrieve kPreferredSize property)

services/ui/public/interfaces/window_manager.mojom

 // 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.
 
 module ui.mojom;
 
 import "cc/ipc/frame_sink_id.mojom";
 import "cc/ipc/local_surface_id.mojom";
 import "services/ui/public/interfaces/cursor/cursor.mojom";
 import "services/ui/public/interfaces/event_matcher.mojom";
@@ skipping 84 matching lines @@
 
   // Used to explicitly control whether a window appears in the most recently
   // used list of windows. Maps to aura::client::kExcludeFromMruKey. Type: bool.
   const string kExcludeFromMru_Property = "prop:exclude_from_mru";
 
   // If true, when a window is in in fullscreen mode, the user cannot reveal
   // the top portion of the window through a touch / mouse gesture.
   // Type: bool.
   const string kImmersiveFullscreen_Property = "prop:immersive-fullscreen";
 
+  // The window's minimum size as defined by its content. Maps to
+  // aura::client::kMinimumSize_Property. Type: gfx::Size.
+  const string kMinimumSize_Property = "prop:minimum-size";
+
   // Internal window name. Useful for debugging. Maps to aura::client::kNameKey.
   // Type: mojom::String
   const string kName_Property = "prop:name";
 
   // If true (and the window is a panel), it's attached to its shelf item.
   const string kPanelAttached_Property = "prop:panel-attached";
 
   // The window's preferred size as defined by its content. Maps to
   // aura::client::kPreferredSize_Property. Type: gfx::Size.
   const string kPreferredSize_Property = "prop:preferred-size";
@@ skipping 217 matching lines @@
   OnWmCreatedTopLevelWindow(uint32 change_id, uint32 window_id);
 
   // See description in WindowManager::OnAccelerator(). |ack_id| is the value
   // that was passed to OnAccelerator(). If the accelerator is a pre-target
   // handler and |event_result| is UNHANDLED, then |properties| is added to
   // the KeyEvent that is dispatched to the client with the focused window.
   OnAcceleratorAck(uint32 ack_id,
                    EventResult event_result,
                    map<string, array<uint8>> properties);
 };