Pepper: Add VLOG support for NaCl plugins.

chrome/browser/nacl_host/nacl_process_host.cc

Index: chrome/browser/nacl_host/nacl_process_host.cc
diff --git a/chrome/browser/nacl_host/nacl_process_host.cc b/chrome/browser/nacl_host/nacl_process_host.cc
index dbb03e140edc59339ed9f561448ac23a8513c773..367b21d9ced7b5ad984cc3b07431bd9fc29f2c93 100644
--- a/chrome/browser/nacl_host/nacl_process_host.cc
+++ b/chrome/browser/nacl_host/nacl_process_host.cc
@@ -7,6 +7,7 @@
 #include <string>
 #include <vector>
 
+#include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
@@ -48,6 +49,7 @@
 #include "net/base/net_util.h"
 #include "net/base/tcp_listen_socket.h"
 #include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/shared_impl/ppapi_nacl_channel_args.h"
 
 #if defined(OS_POSIX)
 #include <fcntl.h>
@@ -840,13 +842,28 @@ void NaClProcessHost::OnPpapiChannelCreated(
         chrome_render_message_filter_->render_process_id(),
         render_view_id_));
 
+    ppapi::PpapiNaClChannelArgs args;
+    args.off_the_record = chrome_render_message_filter_->off_the_record();
+    args.permissions = permissions_;
+    CommandLine* cmdline = CommandLine::ForCurrentProcess();
+    DCHECK(cmdline);
+    std::string v_flag = cmdline->GetSwitchValueASCII(switches::kV);

[dmichael (off chromium), 2013/04/10 23:10:22]

Is it worth doing:
std::string flagWhitelist[] = [switches::kV, switches::kVModule];
for (size_t i = 0; i < arraysize(flagWhitelist); ++i) {
  //...
}
?

Feels like we might end up adding more.

+    if (!v_flag.empty()) {
+      args.switch_names.push_back(switches::kV);
+      args.switch_values.push_back(v_flag);
+    }
+    std::string vmodule_flag = cmdline->GetSwitchValueASCII(switches::kVModule);
+    if (!vmodule_flag.empty()) {
+      args.switch_names.push_back(switches::kVModule);
+      args.switch_values.push_back(vmodule_flag);
+    }
+
     // Send a message to create the NaCl-Renderer channel. The handle is just
     // a place holder.
     ipc_proxy_channel_->Send(
         new PpapiMsg_CreateNaClChannel(
             chrome_render_message_filter_->render_process_id(),
-            permissions_,
-            chrome_render_message_filter_->off_the_record(),
+            args,
             SerializedHandle(SerializedHandle::CHANNEL_HANDLE,
                              IPC::InvalidPlatformFileForTransit())));
   } else if (reply_msg_) {