Check dimensions and content of bitmaps in EmbedderTests.

core/fpdfapi/render/fpdf_render_loadimage_embeddertest.cpp

Index: core/fpdfapi/render/fpdf_render_loadimage_embeddertest.cpp
diff --git a/core/fpdfapi/render/fpdf_render_loadimage_embeddertest.cpp b/core/fpdfapi/render/fpdf_render_loadimage_embeddertest.cpp
index 5c6a8c513f9e67f12aa89585c11f4358535622c6..5b7cbc6f059855ab8aaa2a03dd298ee9fd39c3b8 100644
--- a/core/fpdfapi/render/fpdf_render_loadimage_embeddertest.cpp
+++ b/core/fpdfapi/render/fpdf_render_loadimage_embeddertest.cpp
@@ -14,6 +14,7 @@ TEST_F(FPDFRenderLoadImageEmbeddertest, Bug_554151) {
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
   FPDF_BITMAP bitmap = RenderPage(page);
+  CompareBitmap(bitmap, 612, 792, "a14d7ee573c1b2456d7bf6b7762823cf");
   FPDFBitmap_Destroy(bitmap);
   UnloadPage(page);
 }
@@ -24,6 +25,7 @@ TEST_F(FPDFRenderLoadImageEmbeddertest, Bug_557223) {
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
   FPDF_BITMAP bitmap = RenderPage(page);
+  CompareBitmap(bitmap, 24, 24, "dc0ea1b743c2edb22c597cadc8537f7b");
   FPDFBitmap_Destroy(bitmap);
   UnloadPage(page);
 }
@@ -34,6 +36,7 @@ TEST_F(FPDFRenderLoadImageEmbeddertest, Bug_603518) {
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
   FPDF_BITMAP bitmap = RenderPage(page);
+  CompareBitmap(bitmap, 749, 749, "b9e75190cdc5edf0069a408744ca07dc");
   FPDFBitmap_Destroy(bitmap);
   UnloadPage(page);
 }