Move fpdfsdk/src up to fpdfsdk/.

fpdfsdk/src/fpdfext_embeddertest.cpp

-// Copyright 2016 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "public/fpdf_ext.h"
-#include "public/fpdfview.h"
-#include "testing/embedder_test.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class FPDFExtEmbeddertest : public EmbedderTest {};
-
-TEST_F(FPDFExtEmbeddertest, PageModeUnknown) {
-  EXPECT_EQ(PAGEMODE_UNKNOWN, FPDFDoc_GetPageMode(nullptr));
-}
-
-TEST_F(FPDFExtEmbeddertest, PageModeUseNone) {
-  EXPECT_TRUE(OpenDocument("hello_world.pdf"));
-  EXPECT_EQ(PAGEMODE_USENONE, FPDFDoc_GetPageMode(document()));
-}
-
-TEST_F(FPDFExtEmbeddertest, PageModeUseOutlines) {
-  EXPECT_TRUE(OpenDocument("use_outlines.pdf"));
-  EXPECT_EQ(PAGEMODE_USEOUTLINES, FPDFDoc_GetPageMode(document()));
-}