Use base namespace for FilePath in content/browser

content/browser/plugin_loader_posix.cc

Index: content/browser/plugin_loader_posix.cc
diff --git a/content/browser/plugin_loader_posix.cc b/content/browser/plugin_loader_posix.cc
index f15218805f5dbc721eb05f4bf651d4cfcae3d5ef..b01f385c076c1b3a148bc614e596e1be1b64cfd1 100644
--- a/content/browser/plugin_loader_posix.cc
+++ b/content/browser/plugin_loader_posix.cc
@@ -131,7 +131,7 @@ void PluginLoaderPosix::OnPluginLoaded(uint32 index,
 }
 
 void PluginLoaderPosix::OnPluginLoadFailed(uint32 index,
-                                           const FilePath& plugin_path) {
+                                           const base::FilePath& plugin_path) {
   if (index != next_load_index_) {
     LOG(ERROR) << "Received unexpected plugin load failure message for "
                << plugin_path.value() << "; index=" << index;
@@ -144,7 +144,8 @@ void PluginLoaderPosix::OnPluginLoadFailed(uint32 index,
   MaybeRunPendingCallbacks();
 }
 
-bool PluginLoaderPosix::MaybeAddInternalPlugin(const FilePath& plugin_path) {
+bool PluginLoaderPosix::MaybeAddInternalPlugin(
+    const base::FilePath& plugin_path) {
   for (std::vector<webkit::WebPluginInfo>::iterator it =
            internal_plugins_.begin();
        it != internal_plugins_.end();