Add FilePath to base namespace.

chrome/browser/extensions/platform_app_launcher.h

Index: chrome/browser/extensions/platform_app_launcher.h
diff --git a/chrome/browser/extensions/platform_app_launcher.h b/chrome/browser/extensions/platform_app_launcher.h
index 96656412e696a2cbe148325b2848ed95ad170a25..ae9cfa53b8867b41d25cac54a31e278eb02763ad 100644
--- a/chrome/browser/extensions/platform_app_launcher.h
+++ b/chrome/browser/extensions/platform_app_launcher.h
@@ -8,9 +8,12 @@
 #include <string>
 
 class CommandLine;
-class FilePath;
 class Profile;
 
+namespace base {
+class FilePath;
+}
+
 namespace content {
 class WebContents;
 class WebIntentsDispatcher;
@@ -27,20 +30,20 @@ class Extension;
 void LaunchPlatformApp(Profile* profile,
                        const Extension* extension,
                        const CommandLine* command_line,
-                       const FilePath& current_directory);
+                       const base::FilePath& current_directory);
 
 // Launches the platform app |extension| with the contents of |file_path|
 // available through the launch data.
 void LaunchPlatformAppWithPath(Profile* profile,
                                const Extension* extension,
-                               const FilePath& file_path);
+                               const base::FilePath& file_path);
 
 // Launches the platform app |extension| with the contents of |file_path|
 // available through the launch data.
 void LaunchPlatformAppWithFileHandler(Profile* profile,
                                       const Extension* extension,
                                       const std::string& handler_id,
-                                      const FilePath& file_path);
+                                      const base::FilePath& file_path);
 
 #if defined(ENABLE_WEB_INTENTS)
 // Launches the platform app |extension| with the supplied web intent. Creates