Refactor RenderProcessHost to use IPC::Listener instead of RenderWidgetHost

content/browser/devtools/render_view_devtools_agent_host.cc

Index: content/browser/devtools/render_view_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_view_devtools_agent_host.cc b/content/browser/devtools/render_view_devtools_agent_host.cc
index 39698d3a308cf5a212747afb66738bcb8d3f17e1..31ca0e5bfda841b8d00de02b9e8e3685d3f2daef 100644
--- a/content/browser/devtools/render_view_devtools_agent_host.cc
+++ b/content/browser/devtools/render_view_devtools_agent_host.cc
@@ -120,6 +120,38 @@ void DevToolsAgentHost::ConnectRenderViewHost(const std::string& cookie,
 //static
 std::vector<RenderViewHost*> DevToolsAgentHost::GetValidRenderViewHosts() {
   std::vector<RenderViewHost*> result;
+
+  scoped_ptr<RenderWidgetHost::List> hosts =
+      RenderWidgetHost::GetRenderWidgetHosts();
+  for (RenderWidgetHost::List::const_iterator it = hosts->begin();
+      it != hosts->end();
+      ++it) {
+    const RenderWidgetHost* widget = *it;
+
+    // Ignore processes that don't have a connection, such as crashed contents.
+    if (!widget->GetProcess()->HasConnection())
+      continue;
+
+    if (!widget->IsRenderView())
+      continue;
+
+    RenderViewHost* rvh =
+        RenderViewHost::From(const_cast<RenderWidgetHost*>(widget));
+    // Don't report swapped out views.
+    if (static_cast<RenderViewHostImpl*>(rvh)->is_swapped_out())
+      continue;
+
+    WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
+    // Don't report a RenderViewHost if it is not the current RenderViewHost
+    // for some WebContents.
+    if (!web_contents || rvh != web_contents->GetRenderViewHost())
+      continue;
+
+    result.push_back(rvh);
+  }
+
+
+  /*

[dcheng, 2013/06/11 00:34:58]

Nit: Delete this block.

   for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator());
        !it.IsAtEnd(); it.Advance()) {
     RenderProcessHost* render_process_host = it.GetCurrentValue();
@@ -152,6 +184,7 @@ std::vector<RenderViewHost*> DevToolsAgentHost::GetValidRenderViewHosts() {
       result.push_back(rvh);
     }
   }
+  */
   return result;
 }