Make gfx::Rect class operations consistently mutate the class they are called on.

chrome/browser/ui/panels/panel_manager.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 "chrome/browser/ui/panels/panel_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 169 matching lines @@
   if (height < min_size.height())
     height = min_size.height();
   else if (height > max_size.height())
     height = max_size.height();
 
   gfx::Rect bounds(width, height);
   if (CREATE_AS_DOCKED == mode) {
     bounds.set_origin(docked_strip_->GetDefaultPositionForPanel(bounds.size()));
   } else {
     bounds.set_origin(requested_bounds.origin());
-    bounds = bounds.AdjustToFit(display_settings_provider_->GetDisplayArea());
+    bounds.AdjustToFit(display_settings_provider_->GetDisplayArea());
   }
 
   // Create the panel.
   Panel* panel = new Panel(app_name, min_size, max_size);
   panel->Initialize(profile, url, bounds);
 
   // Auto resizable feature is enabled only if no initial size is requested.
   if (auto_sizing_enabled() && requested_bounds.width() == 0 &&
       requested_bounds.height() == 0) {
     panel->SetAutoResizable(true);
@@ skipping 138 matching lines @@
 void PanelManager::SetMouseWatcher(PanelMouseWatcher* watcher) {
   panel_mouse_watcher_.reset(watcher);
 }
 
 void PanelManager::OnPanelAnimationEnded(Panel* panel) {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PANEL_BOUNDS_ANIMATIONS_FINISHED,
       content::Source<Panel>(panel),
       content::NotificationService::NoDetails());
 }