Mac: Resize status bubble when window is resized.

chrome/browser/cocoa/status_bubble_mac.mm

 // Copyright (c) 2009 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/cocoa/status_bubble_mac.h"
 
 #include "app/gfx/text_elider.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #import "chrome/browser/cocoa/bubble_view.h"
@@ skipping 164 matching lines @@
   [window_ setFrame:window_frame display:YES];
 }
 
 void StatusBubbleMac::UpdateDownloadShelfVisibility(bool visible) {
 }
 
 void StatusBubbleMac::Create() {
   if (window_)
     return;
 
-  NSRect rect = [parent_ frame];
-  rect.size.height = kWindowHeight;
-  rect.size.width = static_cast<int>(kWindowWidthPercent * rect.size.width);
   // TODO(avi):fix this for RTL
-  window_ = [[NSWindow alloc] initWithContentRect:rect
+  window_ = [[NSWindow alloc] initWithContentRect:CalculateWindowFrame()
                                         styleMask:NSBorderlessWindowMask
                                           backing:NSBackingStoreBuffered
                                             defer:YES];
   [window_ setMovableByWindowBackground:NO];
   [window_ setBackgroundColor:[NSColor clearColor]];
   [window_ setLevel:NSNormalWindowLevel];
   [window_ setOpaque:NO];
   [window_ setHasShadow:NO];
 
   // We do not need to worry about the bubble outliving |parent_| because our
@@ skipping 20 matching lines @@
   [NSAnimationContext endGrouping];
 }
 
 void StatusBubbleMac::FadeOut() {
   [NSAnimationContext beginGrouping];
   [[NSAnimationContext currentContext] setDuration:kHideFadeDuration];
   [[window_ animator] setAlphaValue:0.0f];
   [NSAnimationContext endGrouping];
 }
 
+void StatusBubbleMac::UpdateSizeAndPosition() {
+  if (!window_)
+    return;
+
+  [window_ setFrame:CalculateWindowFrame() display:YES];
+}
+
+NSRect StatusBubbleMac::CalculateWindowFrame() {
+  DCHECK(parent_);
+
+  NSRect rect = [parent_ frame];
+  rect.size.height = kWindowHeight;
+  rect.size.width = static_cast<int>(kWindowWidthPercent * rect.size.width);
+  return rect;
+}