Adding proper dragging behavior for L/R maximized windows.

ash/wm/workspace/workspace_window_resizer.cc

 // 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.
 
 #include "ash/wm/workspace/workspace_window_resizer.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "ash/display/display_controller.h"
@@ skipping 76 matching lines @@
   if (destroyed_)
     *destroyed_ = true;
 }
 
 // static
 WorkspaceWindowResizer* WorkspaceWindowResizer::Create(
     aura::Window* window,
     const gfx::Point& location_in_parent,
     int window_component,
     const std::vector<aura::Window*>& attached_windows) {
+  if (wm::IsWindowNormal(window) && window_component == HTCAPTION) {
+    // When a restore bounds is stored for the window, it gets restored to its
+    // original size.
+    const gfx::Rect *restore = GetRestoreBoundsInScreen(window);
+    if (restore) {
+      gfx::Rect bounds = gfx::Rect(window->bounds().origin(), restore->size());
+      window->SetBounds(bounds);

[sky, 2012/09/05 17:03:24]

This is the wrong place for this. Doing it here means if we revert the drag it
won't go to the right place.

[Mr4D (OOO till 08-26), 2012/09/06 16:06:54]

Done.

+      ClearRestoreBounds(window);
+    }
+  }
   Details details(window, location_in_parent, window_component);
   return details.is_resizable ?
       new WorkspaceWindowResizer(details, attached_windows) : NULL;
 }
 
 void WorkspaceWindowResizer::Drag(const gfx::Point& location, int event_flags) {
   std::pair<aura::RootWindow*, gfx::Point> actual_location =
       wm::GetRootWindowRelativeToWindow(window()->parent(), location);
   aura::RootWindow* current_root = actual_location.first;
   gfx::Point location_in_parent = actual_location.second;
@@ skipping 504 matching lines @@
   gfx::Rect layer_bounds = layer_->bounds();
   layer_bounds.set_origin(gfx::Point(0, 0));
   layer_->SetBounds(layer_bounds);
   layer_->SetVisible(false);
   // Detach it from the current container.
   layer_->parent()->Remove(layer_);
 }
 
 }  // namespace internal
 }  // namespace ash