Refactor [FramedBrowserWindow drawWindowThemeInDirtyRect:] to use themeImagePositionForAlignment:

chrome/browser/ui/cocoa/find_bar/find_bar_view.mm

Index: chrome/browser/ui/cocoa/find_bar/find_bar_view.mm
diff --git a/chrome/browser/ui/cocoa/find_bar/find_bar_view.mm b/chrome/browser/ui/cocoa/find_bar/find_bar_view.mm
index 266804616e8e986ebcd45fb2857bce9dfd18475b..4ba2b996c1ce918d4c3f7106501d97f194926e15 100644
--- a/chrome/browser/ui/cocoa/find_bar/find_bar_view.mm
+++ b/chrome/browser/ui/cocoa/find_bar/find_bar_view.mm
@@ -70,10 +70,10 @@ CGFloat kCurveSize = 8;
     [path addClip];
 
     // Set the pattern phase
-    NSPoint phase = [[self window]
-        themePatternPhaseForAlignment:THEME_PATTERN_ALIGN_WITH_TAB_STRIP];
+    NSPoint position = [[self window]
+        themeImagePositionForAlignment:THEME_IMAGE_ALIGN_WITH_TAB_STRIP];
+    [context cr_setPatternPhase:position forView:self];
 
-    [context cr_setPatternPhase:phase forView:self];
     [super drawBackgroundWithOpaque:YES];
   }