Improve process crash handling in RenderViewHost & mock RenderProcessHost.

content/browser/frame_host/render_frame_host_manager.cc

 // Copyright 2013 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/frame_host/render_frame_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 1595 matching lines @@
 
 bool RenderFrameHostManager::InitRenderView(
     RenderViewHostImpl* render_view_host,
     int opener_route_id,
     int proxy_routing_id,
     bool for_main_frame_navigation) {
   // We may have initialized this RenderViewHost for another RenderFrameHost.
   if (render_view_host->IsRenderViewLive())
     return true;
 
+  // Ensure the renderer process is initialized before creating the
+  // RenderView.
+  if (!render_view_host->GetProcess()->Init())
+    return false;
+
   // If the ongoing navigation is to a WebUI and the RenderView is not in a
   // guest process, tell the RenderViewHost about any bindings it will need
   // enabled.
   WebUIImpl* dest_web_ui = nullptr;
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableBrowserSideNavigation)) {
     dest_web_ui =
         should_reuse_web_ui_ ? web_ui_.get() : speculative_web_ui_.get();
   } else {
     dest_web_ui = pending_web_ui();
@@ skipping 488 matching lines @@
 void RenderFrameHostManager::DeleteRenderFrameProxyHost(
     SiteInstance* instance) {
   RenderFrameProxyHostMap::iterator iter = proxy_hosts_.find(instance->GetId());
   if (iter != proxy_hosts_.end()) {
     delete iter->second;
     proxy_hosts_.erase(iter);
   }
 }
 
 }  // namespace content