Pass const gfx::Rect& as the first parameter to FillRect.

chrome/browser/ui/views/frame/browser_non_client_frame_view_aura.cc

 // Copyright (c) 2011 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/views/frame/browser_non_client_frame_view_aura.h"
 
 #include "chrome/browser/ui/views/frame/browser_frame.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "grit/generated_resources.h"  // Accessibility names
 #include "grit/ui_resources.h"
@@ skipping 76 matching lines @@
   virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE {
     // Ensure the caption/frame background shows when we hover this button.
     owner_->ShowFrameBackground();
     views::CustomButton::OnMouseEntered(event);
   }
   virtual void OnMouseExited(const views::MouseEvent& event) OVERRIDE {
     owner_->HideFrameBackground();
     views::CustomButton::OnMouseExited(event);
   }
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
-    canvas->FillRect(GetBackgroundColor(), GetLocalBounds());
+    canvas->FillRect(GetLocalBounds(), GetBackgroundColor());
     canvas->DrawBitmapInt(icon_, 0, 0);
   }
   virtual gfx::Size GetPreferredSize() OVERRIDE {
     return gfx::Size(icon_.width(), icon_.height());
   }
 
   // Overridden from ui::AnimationDelegate:
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE {
     if (animation == show_animation_.get()) {
       double opacity = show_animation_->GetCurrentValue();
@@ skipping 465 matching lines @@
 
 void BrowserNonClientFrameViewAura::OnWindowHoverChanged(bool hovered) {
   if (hovered) {
     maximize_button_->Show();
     close_button_->Show();
   } else {
     maximize_button_->Hide();
     close_button_->Hide();
   }
 }