Also append GPU command-line flags to the browser in single-process mode

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index fd3a7f22fe71ae0b451b6bf898700cf56445627f..fb2f37c7a042503bc01602852b8296bf6c7affc1 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -450,6 +450,10 @@ RenderProcessHostImpl::~RenderProcessHostImpl() {
       << "RenderProcessHostImpl is destroyed by something other than itself";
 #endif
 
+  // Make sure to clean up the in-process renderer before the channel, otherwise
+  // it may still run and have its IPCs fail, causing asserts.
+  in_process_renderer_.reset();
+
   ChildProcessSecurityPolicyImpl::GetInstance()->Remove(GetID());
 
   if (gpu_observer_registered_) {
@@ -891,6 +895,22 @@ StoragePartition* RenderProcessHostImpl::GetStoragePartition() const {
   return storage_partition_impl_;
 }
 
+static void AppendGpuCommandLineFlags(CommandLine* command_line) {
+  if (content::IsThreadedCompositingEnabled())
+    command_line->AppendSwitch(switches::kEnableThreadedCompositing);
+
+  if (content::IsDelegatedRendererEnabled())
+    command_line->AppendSwitch(switches::kEnableDelegatedRenderer);
+
+  if (content::IsDeadlineSchedulingEnabled())
+    command_line->AppendSwitch(switches::kEnableDeadlineScheduling);
+
+  // Appending disable-gpu-feature switches due to software rendering list.
+  GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
+  DCHECK(gpu_data_manager);
+  gpu_data_manager->AppendRendererCommandLine(command_line);
+}
+
 void RenderProcessHostImpl::AppendRendererCommandLine(
     CommandLine* command_line) const {
   // Pass the process type first, so it shows first in process listings.
@@ -916,22 +936,10 @@ void RenderProcessHostImpl::AppendRendererCommandLine(
                                     field_trial_states);
   }
 
-  if (content::IsThreadedCompositingEnabled())
-    command_line->AppendSwitch(switches::kEnableThreadedCompositing);
-
-  if (content::IsDelegatedRendererEnabled())
-    command_line->AppendSwitch(switches::kEnableDelegatedRenderer);
-
-  if (content::IsDeadlineSchedulingEnabled())
-    command_line->AppendSwitch(switches::kEnableDeadlineScheduling);
-
   GetContentClient()->browser()->AppendExtraCommandLineSwitches(
       command_line, GetID());
 
-  // Appending disable-gpu-feature switches due to software rendering list.
-  GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
-  DCHECK(gpu_data_manager);
-  gpu_data_manager->AppendRendererCommandLine(command_line);
+  AppendGpuCommandLineFlags(command_line);
 }
 
 void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
@@ -1656,12 +1664,18 @@ void RenderProcessHost::SetRunRendererInProcess(bool value) {
   g_run_renderer_in_process_ = value;
 
   CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (value && !command_line->HasSwitch(switches::kLang)) {
-    // Modify the current process' command line to include the browser locale,
-    // as the renderer expects this flag to be set.
-    const std::string locale =
-        GetContentClient()->browser()->GetApplicationLocale();
-    command_line->AppendSwitchASCII(switches::kLang, locale);
+  if (value) {
+    if (!command_line->HasSwitch(switches::kLang)) {
+      // Modify the current process' command line to include the browser locale,
+      // as the renderer expects this flag to be set.
+      const std::string locale =
+          GetContentClient()->browser()->GetApplicationLocale();
+      command_line->AppendSwitchASCII(switches::kLang, locale);
+    }
+    // TODO(piman): we should really send configuration through bools rather
+    // than by parsing strings, i.e. sending an IPC rather than command line
+    // args. crbug.com/314909
+    AppendGpuCommandLineFlags(command_line);
   }
 }