Differential updates for components.

chrome/browser/component_updater/pepper_flash_component_installer.cc

Index: chrome/browser/component_updater/pepper_flash_component_installer.cc
===================================================================
--- chrome/browser/component_updater/pepper_flash_component_installer.cc	(revision 201835)
+++ chrome/browser/component_updater/pepper_flash_component_installer.cc	(working copy)
@@ -249,6 +249,9 @@
   virtual bool Install(const base::DictionaryValue& manifest,
                        const base::FilePath& unpack_path) OVERRIDE;
 
+  virtual bool GetInstalledFile(const std::string& file,
+                                base::FilePath* installed_file) OVERRIDE;
+
  private:
   Version current_version_;
 };
@@ -291,6 +294,11 @@
   return true;
 }
 
+bool PepperFlashComponentInstaller::GetInstalledFile(
+    const std::string& file, base::FilePath* installed_file) {
+  return false;
+}
+
 bool CheckPepperFlashManifest(const base::DictionaryValue& manifest,
                               Version* version_out) {
   std::string name;