Add FilePath to base namespace.

chrome/installer/test/alternate_version_generator.h

Index: chrome/installer/test/alternate_version_generator.h
diff --git a/chrome/installer/test/alternate_version_generator.h b/chrome/installer/test/alternate_version_generator.h
index 0ae0d5c3725928bb352debfa9d356368b8d3dc0c..fe60a6a86b6726f779ecde0a4163bc6b9ef8fc74 100644
--- a/chrome/installer/test/alternate_version_generator.h
+++ b/chrome/installer/test/alternate_version_generator.h
@@ -9,9 +9,12 @@
 
 #include <string>
 
-class FilePath;
 class Version;
 
+namespace base {
+class FilePath;
+}
+
 namespace upgrade_test {
 
 enum Direction {
@@ -25,8 +28,8 @@ enum Direction {
 // |target_path| is clobbered.  Returns true on success.  |original_version| and
 // |new_version|, when non-NULL, are given the original and new version numbers
 // on success.
-bool GenerateAlternateVersion(const FilePath& original_installer_path,
-                              const FilePath& target_path,
+bool GenerateAlternateVersion(const base::FilePath& original_installer_path,
+                              const base::FilePath& target_path,
                               Direction direction,
                               std::wstring* original_version,
                               std::wstring* new_version);
@@ -35,16 +38,16 @@ bool GenerateAlternateVersion(const FilePath& original_installer_path,
 // |target_file|, modifying the version of the copy according to |direction|.
 // Any previous file at |target_file| is clobbered. Returns true on success.
 // Note that |target_file| may still be mutated on failure.
-bool GenerateAlternatePEFileVersion(const FilePath& original_file,
-                                    const FilePath& target_file,
+bool GenerateAlternatePEFileVersion(const base::FilePath& original_file,
+                                    const base::FilePath& target_file,
                                     Direction direction);
 
 // Given a path to a PEImage in |original_file|, copy that file to
 // |target_file|, modifying the version of the copy according to |version|.
 // Any previous file at |target_file| is clobbered. Returns true on success.
 // Note that |target_file| may still be mutated on failure.
-bool GenerateSpecificPEFileVersion(const FilePath& original_file,
-                                   const FilePath& target_file,
+bool GenerateSpecificPEFileVersion(const base::FilePath& original_file,
+                                   const base::FilePath& target_file,
                                    const Version& version);
 
 }  // namespace upgrade_test