Introduce new async IPC message to get file icons

third_party/WebKit/WebKit/chromium/src/ChromeClientImpl.cpp

Index: third_party/WebKit/WebKit/chromium/src/ChromeClientImpl.cpp
===================================================================
--- third_party/WebKit/WebKit/chromium/src/ChromeClientImpl.cpp	(revision 58975)
+++ third_party/WebKit/WebKit/chromium/src/ChromeClientImpl.cpp	(working copy)
@@ -64,6 +64,7 @@
 #include "WebFileChooserCompletionImpl.h"
 #include "WebFrameClient.h"
 #include "WebFrameImpl.h"
+#include "WebIconLoadingCompletionImpl.h"
 #include "WebInputEvent.h"
 #include "WebKit.h"
 #include "WebPopupMenuImpl.h"
@@ -603,9 +604,13 @@
     chooserCompletion->didChooseFile(WebVector<WebString>());
 }
 
-void ChromeClientImpl::chooseIconForFiles(const Vector<WebCore::String>&, WebCore::FileChooser*)
+void ChromeClientImpl::chooseIconForFiles(const Vector<WebCore::String>& filenames, WebCore::FileChooser* fileChooser)
 {
-    notImplemented();
+    if (!m_webView->client())
+        return;
+    WebIconLoadingCompletionImpl* iconCompletion = new WebIconLoadingCompletionImpl(fileChooser);
+    if (!m_webView->client()->chooseIconForFiles(filenames, iconCompletion))
+        iconCompletion->iconLoaded(WebData());
 }
 
 void ChromeClientImpl::popupOpened(PopupContainer* popupContainer,