Improve process crash handling in RenderViewHost & mock RenderProcessHost.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index 54437614344564349b91c74f4f79988d5011b036..135ef6060f93006e9fdfe4ba5c962972d2eb48c1 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -227,6 +227,7 @@ RenderViewHostImpl::RenderViewHostImpl(
   DCHECK(instance_.get());
   CHECK(delegate_);  // http://crbug.com/82827
 
+  GetProcess()->AddObserver(this);
   GetProcess()->EnableSendQueue();
 
   if (ResourceDispatcherHostImpl::Get()) {
@@ -261,6 +262,7 @@ RenderViewHostImpl::~RenderViewHostImpl() {
   }
 
   delegate_->RenderViewDeleted(this);
+  GetProcess()->RemoveObserver(this);
 }
 
 RenderViewHostDelegate* RenderViewHostImpl::GetDelegate() const {
@@ -583,6 +585,17 @@ void RenderViewHostImpl::RequestFindMatchRects(int current_version) {
 }
 #endif
 
+void RenderViewHostImpl::RenderProcessExited(RenderProcessHost* host,
+                                             base::TerminationStatus status,
+                                             int exit_code) {
+  if (!renderer_initialized())
+    return;
+
+  RenderWidgetHostImpl::RendererExited(status, exit_code);
+  delegate_->RenderViewTerminated(
+      this, static_cast<base::TerminationStatus>(status), exit_code);
+}
+
 void RenderViewHostImpl::DragTargetDragEnter(
     const DropData& drop_data,
     const gfx::Point& client_pt,