WIP: Browser image decoding using Mojo.

chrome/common/extensions/chrome_utility_extensions_messages.h

Index: chrome/common/extensions/chrome_utility_extensions_messages.h
diff --git a/chrome/common/extensions/chrome_utility_extensions_messages.h b/chrome/common/extensions/chrome_utility_extensions_messages.h
index 45fffecf7239b13859e86dde37d3eb772a747241..15b058863545216a31a12b1ef1f88217bac261b1 100644
--- a/chrome/common/extensions/chrome_utility_extensions_messages.h
+++ b/chrome/common/extensions/chrome_utility_extensions_messages.h
@@ -87,11 +87,6 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_UnzipToDir,
                      base::FilePath /* zip_file */,
                      base::FilePath /* dir */)
 
-// Tell the utility process to decode the given image data, which is base64
-// encoded.
-IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImageBase64,
-                     std::string)  // base64 encoded image contents
-
 #if defined(OS_WIN)
 // Tell the utility process to parse the iTunes preference XML file contents
 // and return the path to the iTunes directory.