Clean up RenderWidgetHostView destruction

content/browser/renderer_host/render_widget_host_view_mac.mm

 // 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/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 
@@ skipping 553 matching lines @@
 
   UnlockMouse();
 
   // Ensure that the browser compositor is destroyed in a safe order.
   ShutdownBrowserCompositor();
 
   // We are owned by RenderWidgetHostViewCocoa, so if we go away before the
   // RenderWidgetHost does we need to tell it not to hold a stale pointer to
   // us.
   if (render_widget_host_)
-    render_widget_host_->SetView(NULL);
+    render_widget_host_->ViewDestroyed(this);
 }
 
 void RenderWidgetHostViewMac::SetDelegate(
     NSObject<RenderWidgetHostViewMacDelegate>* delegate) {
   [cocoa_view_ setResponderDelegate:delegate];
 }
 
 void RenderWidgetHostViewMac::SetAllowPauseForResizeOrRepaint(bool allow) {
   allow_pause_for_resize_or_repaint_ = allow;
 }
@@ skipping 382 matching lines @@
 void RenderWidgetHostViewMac::ImeCompositionRangeChanged(
     const gfx::Range& range,
     const std::vector<gfx::Rect>& character_bounds) {
   // The RangeChanged message is only sent with valid values. The current
   // caret position (start == end) will be sent if there is no IME range.
   [cocoa_view_ setMarkedRange:range.ToNSRange()];
   composition_range_ = range;
   composition_bounds_ = character_bounds;
 }
 
-void RenderWidgetHostViewMac::RenderProcessGone(base::TerminationStatus status,
-                                                int error_code) {
-  Destroy();
-}
-
 void RenderWidgetHostViewMac::Destroy() {
   [[NSNotificationCenter defaultCenter]
       removeObserver:cocoa_view_
                 name:NSWindowWillCloseNotification
               object:popup_window_];
 
   // We've been told to destroy.
   [cocoa_view_ retain];
   [cocoa_view_ removeFromSuperview];
   [cocoa_view_ autorelease];
@@ skipping 12 matching lines @@
 
   // Delete the delegated frame state, which will reach back into
   // render_widget_host_.
   ShutdownBrowserCompositor();
 
   // We get this call just before |render_widget_host_| deletes
   // itself.  But we are owned by |cocoa_view_|, which may be retained
   // by some other code.  Examples are WebContentsViewMac's
   // |latent_focus_view_| and TabWindowController's
   // |cachedContentView_|.
+  render_widget_host_->ViewDestroyed(this);
   render_widget_host_ = NULL;
 }
 
 // Called from the renderer to tell us what the tooltip text should be. It
 // calls us frequently so we need to cache the value to prevent doing a lot
 // of repeat work.
 void RenderWidgetHostViewMac::SetTooltipText(
     const base::string16& tooltip_text) {
   if (tooltip_text != tooltip_text_ && [[cocoa_view_ window] isKeyWindow]) {
     tooltip_text_ = tooltip_text;
@@ skipping 2313 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end