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

ui/base/dragdrop/os_exchange_data_provider_aura.h

Index: ui/base/dragdrop/os_exchange_data_provider_aura.h
diff --git a/ui/base/dragdrop/os_exchange_data_provider_aura.h b/ui/base/dragdrop/os_exchange_data_provider_aura.h
index 98438bdf4841b1cc9e916fc10fba1b62ffc904c1..e54a2fdfe24be621085b2dcceede1d8af2766e4c 100644
--- a/ui/base/dragdrop/os_exchange_data_provider_aura.h
+++ b/ui/base/dragdrop/os_exchange_data_provider_aura.h
@@ -32,8 +32,7 @@ class UI_BASE_EXPORT OSExchangeDataProviderAura
   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& data) OVERRIDE;
   virtual bool GetString(base::string16* data) const OVERRIDE;
@@ -41,8 +40,7 @@ class UI_BASE_EXPORT OSExchangeDataProviderAura
                               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* data) const OVERRIDE;
   virtual bool HasString() const OVERRIDE;
@@ -80,7 +78,7 @@ class UI_BASE_EXPORT OSExchangeDataProviderAura
   base::string16 title_;
 
   // File name.
-  std::vector<OSExchangeData::FileInfo> filenames_;
+  std::vector<FileInfo> filenames_;
 
   // PICKLED_DATA contents.
   PickleData pickle_data_;