Adding proper dragging behavior for L/R maximized windows.

ash/wm/workspace/workspace_window_resizer.cc

Index: ash/wm/workspace/workspace_window_resizer.cc
diff --git a/ash/wm/workspace/workspace_window_resizer.cc b/ash/wm/workspace/workspace_window_resizer.cc
index d8755bcac24408b90142bc3aef6cc4f550532994..86c42e38f320acab5ccea0064c44b775f95ca25c 100644
--- a/ash/wm/workspace/workspace_window_resizer.cc
+++ b/ash/wm/workspace/workspace_window_resizer.cc
@@ -94,6 +94,16 @@ WorkspaceWindowResizer* WorkspaceWindowResizer::Create(
     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;