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

content/ppapi_plugin/plugin_process_dispatcher.cc

Index: content/ppapi_plugin/plugin_process_dispatcher.cc
diff --git a/content/ppapi_plugin/plugin_process_dispatcher.cc b/content/ppapi_plugin/plugin_process_dispatcher.cc
index 1ac23d14795e783679d3ffc559d74fe5d0252411..e1460cc5b19ab4d945b0b2d0789d9e1a524b1fdc 100644
--- a/content/ppapi_plugin/plugin_process_dispatcher.cc
+++ b/content/ppapi_plugin/plugin_process_dispatcher.cc
@@ -11,7 +11,7 @@
 namespace {
 
 // How long we wait before releasing the plugin process.
-const int kPluginReleaseTimeMs = 30 * 1000;  // 30 seconds.
+const int kPluginReleaseTimeSeconds = 30;
 
 }  // namespace
 
@@ -32,5 +32,5 @@ PluginProcessDispatcher::~PluginProcessDispatcher() {
       FROM_HERE,
       base::Bind(&ChildProcess::ReleaseProcess,
                  base::Unretained(ChildProcess::current())),
-      kPluginReleaseTimeMs);
+      base::TimeDelta::FromSeconds(kPluginReleaseTimeSeconds));
 }