Convert use of int ms to TimeDelta in files owned by brettw.

content/plugin/plugin_channel.cc

Index: content/plugin/plugin_channel.cc
diff --git a/content/plugin/plugin_channel.cc b/content/plugin/plugin_channel.cc
index a410af757e442c83ebd13bf0437a46a771194667..ea4b812b77c722752e685c0ac3c0779116d8d77b 100644
--- a/content/plugin/plugin_channel.cc
+++ b/content/plugin/plugin_channel.cc
@@ -31,7 +31,7 @@ void PluginReleaseCallback() {
 }
 
 // How long we wait before releasing the plugin process.
-const int kPluginReleaseTimeMs = 5 * 60 * 1000;  // 5 minutes
+const int kPluginReleaseTimeMinutes = 5;
 
 }  // namespace
 
@@ -177,7 +177,9 @@ PluginChannel::~PluginChannel() {
     base::CloseProcessHandle(renderer_handle_);
 
   MessageLoop::current()->PostDelayedTask(
-      FROM_HERE, base::Bind(&PluginReleaseCallback), kPluginReleaseTimeMs);
+      FROM_HERE,
+      base::Bind(&PluginReleaseCallback),
+      base::TimeDelta::FromMinutes(kPluginReleaseTimeMinutes));
 }
 
 bool PluginChannel::Send(IPC::Message* msg) {