Refactor [FramedBrowserWindow drawWindowThemeInDirtyRect:] to use themeImagePositionForAlignment:

chrome/browser/ui/cocoa/browser_window_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 293 matching lines @@
 
 // Shows or hides the docked web inspector depending on |contents|'s state.
 - (void)updateDevToolsForContents:(content::WebContents*)contents;
 
 // Gets the current theme provider.
 - (ui::ThemeProvider*)themeProvider;
 
 // Gets the window style.
 - (ThemedWindowStyle)themedWindowStyle;
 
-// Returns the pattern phase for |alignment|. If the window does not have a tab
-// strip, the phase for THEME_PATTERN_ALIGN_WITH_FRAME is always returned.
-- (NSPoint)themePatternPhaseForAlignment:(ThemePatternAlignment)alignment;
+// Returns the position in the coordinates of the root view
+// ([[self contentView] superview]) that the top left of a theme image with
+// |alignment| should be painted at. If the window does not have a tab strip,
+// the offset for THEME_IMAGE_ALIGN_WITH_FRAME is always returned. The result of
+// this method can be used in conjunction with
+// [NSGraphicsContext cr_setPatternPhase:] to set the offset of pattern colors.
+- (NSPoint)themeImagePositionForAlignment:(ThemeImageAlignment)alignment;
 
 // Return the point to which a bubble window's arrow should point, in window
 // coordinates.
 - (NSPoint)bookmarkBubblePoint;
 
 // Called when the Add Search Engine dialog is closed.
 - (void)sheetDidEnd:(NSWindow*)sheet
          returnCode:(NSInteger)code
             context:(void*)context;
 
@@ skipping 162 matching lines @@
 - (FullscreenExitBubbleController*)fullscreenExitBubbleController;
 
 // Gets the rect, in window base coordinates, that the omnibox popup should be
 // positioned relative to.
 - (NSRect)omniboxPopupAnchorRect;
 
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_