Prevent unnecessary prompts when unpacked extensions use chrome.permissions.request.

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index 8a4ec531764e80d0da80030d6bc0b506870ef537..d8736e8d5c114b0d220185e5ace69a6f321fb899 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -2659,10 +2659,16 @@ bool Extension::ParsePermissions(const extensions::Manifest* source,
   return true;
 }
 
-bool Extension::CanSilentlyIncreasePermissions() const {
+bool Extension::CanSilentlyIncreasePermissionsDuringInstall() const {
+  if (location() == LOAD && !plugins().empty())
+    return false;
   return location() != INTERNAL;
 }
 
+bool Extension::CanSilentlyIncreasePermissionsWhileRunning() const {
+  return location() != INTERNAL && location() != LOAD;
+}
+
 bool Extension::CanSpecifyHostPermission(const URLPattern& pattern,
     const ExtensionAPIPermissionSet& permissions) const {
   if (!pattern.match_all_urls() &&