Add FilePath to base namespace.

chrome/test/webdriver/webdriver_session.h

Index: chrome/test/webdriver/webdriver_session.h
diff --git a/chrome/test/webdriver/webdriver_session.h b/chrome/test/webdriver/webdriver_session.h
index 23395afce12bee7eb051a42ef8cfc812be41befc..9f02c4ac375dda0f31cd6b1410d9599586b6371a 100644
--- a/chrome/test/webdriver/webdriver_session.h
+++ b/chrome/test/webdriver/webdriver_session.h
@@ -24,10 +24,9 @@
 #include "chrome/test/webdriver/webdriver_element_id.h"
 #include "chrome/test/webdriver/webdriver_logging.h"
 
-class FilePath;
-
 namespace base {
 class DictionaryValue;
+class FilePath;
 class ListValue;
 class Value;
 class WaitableEvent;
@@ -120,8 +119,9 @@ class Session {
   Error* SendKeys(const string16& keys);
 
   // Sets the file paths to the file upload control under the given location.
-  Error* DragAndDropFilePaths(const Point& location,
-                              const std::vector<FilePath::StringType>& paths);
+  Error* DragAndDropFilePaths(
+      const Point& location,
+      const std::vector<base::FilePath::StringType>& paths);
 
   // Clicks the mouse at the given location using the given button.
   Error* MouseMoveAndClick(const Point& location,
@@ -315,7 +315,7 @@ class Session {
   Error* WaitForAllViewsToStopLoading();
 
   // Install extension at |path|.
-  Error* InstallExtension(const FilePath& path, std::string* extension_id);
+  Error* InstallExtension(const base::FilePath& path, std::string* extension_id);
 
   Error* GetExtensionsInfo(base::ListValue* extension_ids);
 
@@ -393,7 +393,7 @@ class Session {
 
   const Logger& logger() const;
 
-  const FilePath& temp_dir() const;
+  const base::FilePath& temp_dir() const;
 
   const Capabilities& capabilities() const;