Use base namespace for FilePath in content/browser

content/browser/devtools/devtools_http_handler_unittest.cc

Index: content/browser/devtools/devtools_http_handler_unittest.cc
diff --git a/content/browser/devtools/devtools_http_handler_unittest.cc b/content/browser/devtools/devtools_http_handler_unittest.cc
index 0e2e7bb0041dea874364302331346b33bc588230..b9289e949c8928ff132d16e124d2e97e346a2ab1 100644
--- a/content/browser/devtools/devtools_http_handler_unittest.cc
+++ b/content/browser/devtools/devtools_http_handler_unittest.cc
@@ -58,7 +58,9 @@ class DummyDelegate : public DevToolsHttpHandlerDelegate {
  public:
   virtual std::string GetDiscoveryPageHTML() OVERRIDE { return ""; }
   virtual bool BundlesFrontendResources() OVERRIDE { return true; }
-  virtual FilePath GetDebugFrontendDir() OVERRIDE { return FilePath(); }
+  virtual base::FilePath GetDebugFrontendDir() OVERRIDE { i
+    return base::FilePath();
+  }
   virtual std::string GetPageThumbnailData(const GURL& url) { return ""; }
   virtual RenderViewHost* CreateNewTarget() { return NULL; }
   virtual TargetType GetTargetType(RenderViewHost*) { return kTargetTypeTab; }