fix the notification continuous-resize problem by preventing scrollbars from being used until the maximum size is reached.

BUG=48494
TEST=create notifications of various sizes, watch for jitter

Review URL: http://codereview.chromium.org/2941003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@51978 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 0 deletions

diff --git a/chrome/browser/notifications/balloon.h b/chrome/browser/notifications/balloon.h
index a60d9a9..87440c9 100644
--- a/chrome/browser/notifications/balloon.h
+++ b/chrome/browser/notifications/balloon.h
@@ -63,6 +63,11 @@ class Balloon {
   const gfx::Size& content_size() const { return content_size_; }
   void set_content_size(const gfx::Size& size) { content_size_ = size; }
 
+  const gfx::Size& min_scrollbar_size() const { return min_scrollbar_size_; }
+  void set_min_scrollbar_size(const gfx::Size& size) {
+    min_scrollbar_size_ = size;
+  }
+
   // Request a new content size for this balloon.  This will get passed
   // to the balloon collection for checking against available space and
   // min/max restrictions.
@@ -110,6 +115,9 @@ class Balloon {
   gfx::Point position_;
   gfx::Size content_size_;
 
+  // Smallest size for this balloon where scrollbars will be shown.
+  gfx::Size min_scrollbar_size_;
+
   DISALLOW_COPY_AND_ASSIGN(Balloon);
 };