Change panels to be able to turn off autoresize.

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 762 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
     IPC_MESSAGE_HANDLER(ViewMsg_DisassociateFromPopupCount,
                         OnDisassociateFromPopupCount)
     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedNode, OnClearFocusedNode)
     IPC_MESSAGE_HANDLER(ViewMsg_SetBackground, OnSetBackground)
     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
                         OnEnablePreferredSizeChangedMode)
     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
+    IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
                         OnDisableScrollbarsForSmallWindows)
     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
@@ skipping 3356 matching lines @@
     Send(new ViewHostMsg_RunFileChooser(routing_id_,
         file_chooser_completions_.front()->params));
   }
 }
 
 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
                                         const gfx::Size& max_size) {
   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
   if (!webview())
     return;
-  webview()->enableAutoResizeMode(true, min_size, max_size);
+  webview()->enableAutoResizeMode(min_size, max_size);
+}
+
+void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
+  DCHECK(disable_scrollbars_size_limit_.IsEmpty());
+  if (!webview())
+    return;
+  webview()->disableAutoResizeMode();
+
+  paint_aggregator_.ClearPendingUpdate();
+  webview()->resize(new_size);

[darin (slow to review), 2012/03/01 00:30:49]

do you need to assign to size_?  should some code be shared between this
function and OnResize?

[levin, 2012/03/01 01:56:19]

Good idea. Done.

(There was a problem with OnResize setting up the send ack bit but I addressed
that and added some asserts to verify that it is set when appropriate.)

 }
 
 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
   if (send_preferred_size_changes_)
     return;
   send_preferred_size_changes_ = true;
 
   // Start off with an initial preferred size notification (in case
   // |didUpdateLayout| was already called).
   didUpdateLayout();
@@ skipping 923 matching lines @@
 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
   return !!RenderThreadImpl::current()->compositor_thread();
 }
 
 void RenderViewImpl::OnJavaBridgeInit() {
   DCHECK(!java_bridge_dispatcher_.get());
 #if defined(ENABLE_JAVA_BRIDGE)
   java_bridge_dispatcher_.reset(new JavaBridgeDispatcher(this));
 #endif
 }