Move many standalone files from web/ to (core|modules)/exported/.

third_party/WebKit/Source/core/exported/WebFileChooserCompletionImpl.h

Index: third_party/WebKit/Source/core/exported/WebFileChooserCompletionImpl.h
diff --git a/third_party/WebKit/Source/web/WebFileChooserCompletionImpl.h b/third_party/WebKit/Source/core/exported/WebFileChooserCompletionImpl.h
similarity index 93%
rename from third_party/WebKit/Source/web/WebFileChooserCompletionImpl.h
rename to third_party/WebKit/Source/core/exported/WebFileChooserCompletionImpl.h
index a2b4796be19d67c21444f775cb0b258ac6fbf9ae..16cf432455defe0192c8eab57ffa7621b5091bdc 100644
--- a/third_party/WebKit/Source/web/WebFileChooserCompletionImpl.h
+++ b/third_party/WebKit/Source/core/exported/WebFileChooserCompletionImpl.h
@@ -31,6 +31,7 @@
 #ifndef WebFileChooserCompletionImpl_h
 #define WebFileChooserCompletionImpl_h
 
+#include "core/CoreExport.h"
 #include "platform/FileChooser.h"
 #include "platform/wtf/PassRefPtr.h"
 #include "public/platform/WebString.h"
@@ -39,7 +40,8 @@
 
 namespace blink {
 
-class WebFileChooserCompletionImpl final : public WebFileChooserCompletion {
+class CORE_EXPORT WebFileChooserCompletionImpl final
+    : public NON_EXPORTED_BASE(WebFileChooserCompletion) {
  public:
   explicit WebFileChooserCompletionImpl(PassRefPtr<FileChooser>);
   ~WebFileChooserCompletionImpl() override;