Index: chrome/common/render_messages.h |
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h |
index 9e388bcd199b8dbe945d0cd6f9c33f9e6c1414b5..63347ef2e034e9bc283932beb153672e61e5b2d1 100644 |
--- a/chrome/common/render_messages.h |
+++ b/chrome/common/render_messages.h |
@@ -337,8 +337,10 @@ IPC_MESSAGE_ROUTED3(ChromeViewMsg_UpdateTopControlsState, |
IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetWindowFeatures, |
blink::WebWindowFeatures /* window_features */) |
+// Responds to the request for a thumbnail. |
+// Thumbnail data will be empty is a thumbnail could not be produced. |
IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_RequestThumbnailForContextNode_ACK, |
- SkBitmap /* thumbnail */, |
+ std::string /* JPEG-encoded thumbnail data */, |
gfx::Size /* original size of the image */) |
// Requests application info for the page. The renderer responds back with |