Quick fix for window sizing under resolution independence on Mac. Scrolling a...

chrome/browser/cocoa/bookmark_bar_folder_controller.mm

 // Copyright (c) 2010 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.
 
 #import "chrome/browser/cocoa/bookmark_bar_folder_controller.h"
 #include "base/mac_util.h"
 #include "base/nsimage_cache_mac.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
@@ skipping 359 matching lines @@
   [[self window] setLevel:NSPopUpMenuWindowLevel];
 }
 
 - (void)adjustWindowForHeight:(int)windowHeight {
   // Adjust all button widths to be consistent, determine the best size for
   // the window, and set the window frame.
   CGFloat windowWidth =
       [self adjustButtonWidths] + (2 * bookmarks::kBookmarkVerticalPadding) +
       bookmarks::kScrollViewContentWidthMargin;
   NSPoint newWindowTopLeft = [self windowTopLeftForWidth:windowWidth];
+  NSSize windowSize = [scrollView_ convertSize:NSMakeSize(windowWidth,
+                                                          windowHeight)
+                                        toView:nil];
+  newWindowTopLeft.y -= windowSize.height;
   NSRect windowFrame = NSMakeRect(newWindowTopLeft.x,
-                                  newWindowTopLeft.y - windowHeight,
-                                  windowWidth,
-                                  windowHeight);
+                                  newWindowTopLeft.y,
+                                  windowSize.width,
+                                  windowSize.height);
 
   // Make the scrolled content be the right size (full size).
   NSRect mainViewFrame = NSMakeRect(0, 0,
-                                    NSWidth(windowFrame) -
+                                    windowWidth -
                                     bookmarks::kScrollViewContentWidthMargin,
-                                    NSHeight(windowFrame));
+                                    windowHeight);
   [mainView_ setFrame:mainViewFrame];
 
   // Make sure the window fits on the screen.  If not, constrain.
   // We'll scroll to allow the user to see all the content.
   NSRect screenFrame = [[[self window] screen] frame];
   screenFrame = NSInsetRect(screenFrame, 0, kScrollWindowVerticalMargin);
   BOOL wasScrollable = scrollable_;
   if (!NSContainsRect(screenFrame, windowFrame)) {
     scrollable_ = YES;
     windowFrame = NSIntersectionRect(screenFrame, windowFrame);
   } else {
     scrollable_ = NO;
   }
   NSWindow* window = [self window];
   [window setFrame:windowFrame display:YES];
   // If scrollable then offset the view and show the arrows.
   if (wasScrollable != scrollable_) {
+    NSSize windowLocalSize = [scrollView_ convertSize:windowFrame.size
+                                             fromView:nil];
     [mainView_ scrollPoint:NSMakePoint(0, (NSHeight(mainViewFrame) -
-                                           NSHeight(windowFrame)))];
+                                           windowLocalSize.height))];
     [self showOrHideScrollArrows];
     [self addOrUpdateScrollTracking];
   }
 }
 
 // Determine window size and position.
 // Create buttons for all our nodes.
 // TODO(jrg): break up into more and smaller routines for easier unit testing.
 - (void)configureWindow {
   const BookmarkNode* node = [parentButton_ bookmarkNode];
@@ skipping 958 matching lines @@
   return [folderController_ controllerForNode:node];
 }
 
 #pragma mark TestingAPI Only
 
 - (void)setIgnoreAnimations:(BOOL)ignore {
   ignoreAnimations_ = ignore;
 }
 
 @end  // BookmarkBarFolderController