Make image_decoder a Leaky LazyInstance

chrome/utility/extensions/extensions_handler.cc

Index: chrome/utility/extensions/extensions_handler.cc
diff --git a/chrome/utility/extensions/extensions_handler.cc b/chrome/utility/extensions/extensions_handler.cc
index 72930f55b18c1843e187a1d38aa634ce396c419d..74074b5d3d293f03748ef5a326b90b4dd55e3926 100644
--- a/chrome/utility/extensions/extensions_handler.cc
+++ b/chrome/utility/extensions/extensions_handler.cc
@@ -128,7 +128,8 @@ void ExtensionsHandler::OnDecodeImageBase64(
   std::string decoded_string;
 
   if (!base::Base64Decode(encoded_string, &decoded_string)) {
-    Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
+    Send(new ChromeUtilityHostMsg_DecodeImage_Failed(
+        chromeutility::DUMMY_IMAGE_DELEGATE_ID));
     return;
   }
 
@@ -137,7 +138,8 @@ void ExtensionsHandler::OnDecodeImageBase64(
     decoded_vector[i] = static_cast<unsigned char>(decoded_string[i]);
   }
 
-  ChromeContentUtilityClient::DecodeImageAndSend(decoded_vector, false);
+  ChromeContentUtilityClient::DecodeImageAndSend(
+      decoded_vector, false, chromeutility::DUMMY_IMAGE_DELEGATE_ID);
 }
 
 void ExtensionsHandler::OnCheckMediaFile(