Implement Just-In-Time Flash updates.

chrome/browser/component_updater/widevine_cdm_component_installer.cc

Index: chrome/browser/component_updater/widevine_cdm_component_installer.cc
diff --git a/chrome/browser/component_updater/widevine_cdm_component_installer.cc b/chrome/browser/component_updater/widevine_cdm_component_installer.cc
index eb7460923f49915be318c8933f3b2a3e72aaca51..81f20f89cd3dba5f7a09655842ac8705cbea6d5f 100644
--- a/chrome/browser/component_updater/widevine_cdm_component_installer.cc
+++ b/chrome/browser/component_updater/widevine_cdm_component_installer.cc
@@ -7,6 +7,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
+#include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ -261,6 +262,7 @@ class WidevineCdmComponentInstallerTraits : public ComponentInstallerTraits {
   void GetHash(std::vector<uint8_t>* hash) const override;
   std::string GetName() const override;
   update_client::InstallerAttributes GetInstallerAttributes() const override;
+  std::vector<std::string> GetMimeTypes() const override;
 
   // Checks and updates CDM adapter if necessary to make sure the latest CDM
   // adapter is always used.
@@ -340,6 +342,11 @@ WidevineCdmComponentInstallerTraits::GetInstallerAttributes() const {
   return update_client::InstallerAttributes();
 }
 
+std::vector<std::string> WidevineCdmComponentInstallerTraits::GetMimeTypes()
+    const {
+  return std::vector<std::string>();
+}
+
 static bool HasValidAdapter(const base::FilePath& adapter_version_path,
                             const base::FilePath& adapter_install_path,
                             const std::string& chrome_version) {