Media Galleries API Metadata: SafeMediaMetadataParser and IPCTunnelDataReader.

chrome/common/chrome_utility_messages.h

Index: chrome/common/chrome_utility_messages.h
diff --git a/chrome/common/chrome_utility_messages.h b/chrome/common/chrome_utility_messages.h
index 1e63b12f46e0f0e78580f857d1c29bb993564df0..a286044ee52ac0d1116789563c1ef3e7ff0138e9 100644
--- a/chrome/common/chrome_utility_messages.h
+++ b/chrome/common/chrome_utility_messages.h
@@ -227,6 +227,15 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_IndexPicasaAlbumsContents,
 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_CheckMediaFile,
                      int64 /* milliseconds_of_decoding */,
                      IPC::PlatformFileForTransit /* Media file to parse */)
+
+IPC_MESSAGE_CONTROL1(
+    ChromeUtilityMsg_ParseMediaMetadata,
+    std::string /* mime_type */)
+
+IPC_MESSAGE_CONTROL2(
+    ChromeUtilityMsg_ParseMediaMetadata_RequestBlobBytes_Finished,
+    int64 /* request_id */,
+    std::string /* bytes */)
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 //------------------------------------------------------------------------------
@@ -372,4 +381,15 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished,
 // the file appears to be a well formed media file.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_CheckMediaFile_Finished,
                      bool /* passed_checks */)
+
+IPC_MESSAGE_CONTROL2(
+    ChromeUtilityHostMsg_ParseMediaMetadata_Finished,
+    bool /* parse_success */,
+    base::DictionaryValue /* metadata */)
+
+IPC_MESSAGE_CONTROL3(
+    ChromeUtilityHostMsg_ParseMediaMetadata_RequestBlobBytes,
+    int64 /* request_id */,
+    int64 /* start_byte */,
+    int64 /* length */)
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)