Cocoa: Make HTMLDialogWindow resizable

chrome/browser/ui/cocoa/html_dialog_window_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/html_dialog_window_controller.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 240 matching lines @@
 }
 
 - (id)initWithDelegate:(HtmlDialogUIDelegate*)delegate
                profile:(Profile*)profile {
   DCHECK(delegate);
   DCHECK(profile);
 
   gfx::Size dialogSize;
   delegate->GetDialogSize(&dialogSize);
   NSRect dialogRect = NSMakeRect(0, 0, dialogSize.width(), dialogSize.height());
-  // TODO(akalin): Make the window resizable (but with the minimum size being
-  // dialog_size and always on top (but not modal) to match the Windows
-  // behavior.  On the other hand, the fact that HTML dialogs on Windows
-  // are resizable could just be an accident.  Investigate futher...
-  NSUInteger style = NSTitledWindowMask | NSClosableWindowMask;
+  NSUInteger style = NSTitledWindowMask | NSClosableWindowMask |
+      NSResizableWindowMask;
   scoped_nsobject<ChromeEventProcessingWindow> window(
       [[ChromeEventProcessingWindow alloc]
            initWithContentRect:dialogRect
                      styleMask:style
                        backing:NSBackingStoreBuffered
                          defer:YES]);
   if (!window.get()) {
     return nil;
   }
   self = [super initWithWindow:window];
   if (!self) {
     return nil;
   }
   [window setWindowController:self];
   [window setDelegate:self];
   [window setTitle:base::SysUTF16ToNSString(delegate->GetDialogTitle())];
+  [window setMinSize:dialogRect.size];
   [window center];
   delegate_.reset(new HtmlDialogWindowDelegateBridge(self, profile, delegate));
   return self;
 }
 
 - (void)loadDialogContents {
   tabContents_.reset(new TabContents(
       delegate_->profile(), NULL, MSG_ROUTING_NONE, NULL, NULL));
   [[self window] setContentView:tabContents_->GetNativeView()];
   tabContents_->set_delegate(delegate_.get());
@@ skipping 13 matching lines @@
   // TODO(akalin): Figure out why implementing (void)cancel:(id)sender
   // to do the above doesn't work.
 }
 
 - (void)windowWillClose:(NSNotification*)notification {
   delegate_->WindowControllerClosed();
   [self autorelease];
 }
 
 @end