Use FilePaths in content::DropData to avoid redundant conversions.

ui/base/dragdrop/os_exchange_data_provider_aurax11.h

Index: ui/base/dragdrop/os_exchange_data_provider_aurax11.h
diff --git a/ui/base/dragdrop/os_exchange_data_provider_aurax11.h b/ui/base/dragdrop/os_exchange_data_provider_aurax11.h
index 64cfee19b8d85ef106c8272e5869ff8d24900ddf..40c0deb1010e8783debfd302aec63876257b5c8f 100644
--- a/ui/base/dragdrop/os_exchange_data_provider_aurax11.h
+++ b/ui/base/dragdrop/os_exchange_data_provider_aurax11.h
@@ -67,8 +67,7 @@ class UI_BASE_EXPORT OSExchangeDataProviderAuraX11
   virtual void SetString(const base::string16& data) OVERRIDE;
   virtual void SetURL(const GURL& url, const base::string16& title) OVERRIDE;
   virtual void SetFilename(const base::FilePath& path) OVERRIDE;
-  virtual void SetFilenames(
-      const std::vector<OSExchangeData::FileInfo>& filenames) OVERRIDE;
+  virtual void SetFilenames(const std::vector<FileInfo>& filenames) OVERRIDE;
   virtual void SetPickledData(const OSExchangeData::CustomFormat& format,
                               const Pickle& pickle) OVERRIDE;
   virtual bool GetString(base::string16* data) const OVERRIDE;
@@ -76,8 +75,7 @@ class UI_BASE_EXPORT OSExchangeDataProviderAuraX11
                               GURL* url,
                               base::string16* title) const OVERRIDE;
   virtual bool GetFilename(base::FilePath* path) const OVERRIDE;
-  virtual bool GetFilenames(
-      std::vector<OSExchangeData::FileInfo>* filenames) const OVERRIDE;
+  virtual bool GetFilenames(std::vector<FileInfo>* filenames) const OVERRIDE;
   virtual bool GetPickledData(const OSExchangeData::CustomFormat& format,
                               Pickle* pickle) const OVERRIDE;
   virtual bool HasString() const OVERRIDE;