Refactor RenderProcessHost to use IPC::Listener instead of RenderWidgetHost

content/browser/accessibility/browser_accessibility_state_impl.cc

Index: content/browser/accessibility/browser_accessibility_state_impl.cc
diff --git a/content/browser/accessibility/browser_accessibility_state_impl.cc b/content/browser/accessibility/browser_accessibility_state_impl.cc
index 92bc94e3839fa5209fb1d807951bbe4c38af2d69..5ce6843224811eee7f1e3ebeec493b8364bdb18f 100644
--- a/content/browser/accessibility/browser_accessibility_state_impl.cc
+++ b/content/browser/accessibility/browser_accessibility_state_impl.cc
@@ -128,27 +128,19 @@ void BrowserAccessibilityStateImpl::SetAccessibilityMode(
   if (accessibility_mode_ == mode)
     return;
   accessibility_mode_ = mode;
-  for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator());
-       !it.IsAtEnd(); it.Advance()) {
-    RenderProcessHost* render_process_host = it.GetCurrentValue();
-    DCHECK(render_process_host);
-
-    // Ignore processes that don't have a connection, such as crashed tabs.
-    if (!render_process_host->HasConnection())
-      continue;
-
-    for (RenderProcessHost::RenderWidgetHostsIterator rwit(
-             render_process_host->GetRenderWidgetHostsIterator());
-         !rwit.IsAtEnd();
-         rwit.Advance()) {
-      RenderWidgetHost* rwh = const_cast<RenderWidgetHost*>(
-          rwit.GetCurrentValue());
-      DCHECK(rwh);
-      if (!rwh || !rwh->IsRenderView())
+
+  scoped_ptr<RenderWidgetHost::List> hosts =
+      RenderWidgetHost::GetRenderWidgetHosts();
+  for (RenderWidgetHost::List::const_iterator it = hosts->begin();
+      it != hosts->end();
+      ++it) {
+    const RenderWidgetHost* widget = *it;
+    if (!widget->IsRenderView())
         continue;
-      RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
-      rwhi->SetAccessibilityMode(mode);
-    }
+
+    RenderWidgetHostImpl* rwhi =
+        RenderWidgetHostImpl::From(const_cast<RenderWidgetHost*>(widget));
+    rwhi->SetAccessibilityMode(mode);
   }
 }