Add autoresize capability to chromium.

chrome/browser/ui/panels/panel.cc

Index: chrome/browser/ui/panels/panel.cc
diff --git a/chrome/browser/ui/panels/panel.cc b/chrome/browser/ui/panels/panel.cc
index c2e970df4c66cb8ed9e6c72deb6e5ecf80fb0e51..791014cffef298f0c9febdb649e52af1006437da 100644
--- a/chrome/browser/ui/panels/panel.cc
+++ b/chrome/browser/ui/panels/panel.cc
@@ -580,8 +580,7 @@ void Panel::EnableTabContentsAutoResize(TabContents* tab_contents) {
     EnableRendererAutoResize(render_view_host);
 
   // We also need to know when the render view host changes in order
-  // to turn on preferred size changed notifications in the new
-  // render view host.
+  // to turn on autosize in the new render view host.
   registrar_.RemoveAll();  // Stop notifications for previous contents, if any.
   registrar_.Add(
       this,
@@ -611,26 +610,11 @@ RenderViewHost* Panel::GetRenderViewHost() const {
 void Panel::EnableRendererAutoResize(RenderViewHost* render_view_host) {
   DCHECK(auto_resizable_);
   DCHECK(render_view_host);
-  render_view_host->EnablePreferredSizeMode();
-  RequestRenderViewHostToDisableScrollbars(render_view_host);
-}
-
-void Panel::RequestRenderViewHostToDisableScrollbars(
-    RenderViewHost* render_view_host) {
-  DCHECK(auto_resizable_);
-  DCHECK(render_view_host);
-  render_view_host->DisableScrollbarsForThreshold(
+  render_view_host->EnableAutoResize(
+      min_size_,
       native_panel_->ContentSizeFromWindowSize(max_size_));
 }
 
-void Panel::OnWindowSizeAvailable() {

[jennb, 2011/11/28 18:02:24]

We still need this because on GTK, ContentSizeFromWindowSize() will return the
incorrect value until the window size has stabilized.

-  if (auto_resizable_) {
-    RenderViewHost* render_view_host = GetRenderViewHost();
-    if (render_view_host)
-      RequestRenderViewHostToDisableScrollbars(render_view_host);
-  }
-}
-
 Browser* Panel::browser() const {
   return native_panel_->GetPanelBrowser();
 }