Add autoresize capability to chromium.

content/browser/renderer_host/render_view_host.cc

Index: content/browser/renderer_host/render_view_host.cc
diff --git a/content/browser/renderer_host/render_view_host.cc b/content/browser/renderer_host/render_view_host.cc
index 69bdae5505171d0f9a1811f3a952adadd3e4d8d1..e03b6fa567da1a54c308c04decf258265e61c39b 100644
--- a/content/browser/renderer_host/render_view_host.cc
+++ b/content/browser/renderer_host/render_view_host.cc
@@ -1023,6 +1023,10 @@ void RenderViewHost::OnMsgDidContentsPreferredSizeChange(
   delegate_->UpdatePreferredSize(new_size);
 }
 
+void RenderViewHost::OnRenderAutoResized(const gfx::Size& new_size) {
+  delegate_->UpdatePreferredSize(new_size);
+}
+
 void RenderViewHost::OnMsgDidChangeScrollbarsForMainFrame(
     bool has_horizontal_scrollbar, bool has_vertical_scrollbar) {
   if (view())
@@ -1339,6 +1343,12 @@ void RenderViewHost::EnablePreferredSizeMode() {
   Send(new ViewMsg_EnablePreferredSizeChangedMode(routing_id()));
 }
 
+void RenderViewHost::EnableAutoResize(const gfx::Size& min_size,
+                                      const gfx::Size& max_size) {
+  SetShouldAutoResize(true);
+  Send(new ViewMsg_EnableAutoResize(routing_id(), min_size, max_size));
+}
+
 void RenderViewHost::ExecuteCustomContextMenuCommand(
     int action, const webkit_glue::CustomContextMenuContext& context) {
   Send(new ViewMsg_CustomContextMenuAction(routing_id(), context, action));