Revert "Printing: Load the source PDF only once."

chrome/browser/printing/print_preview_pdf_generated_browsertest.cc

Index: chrome/browser/printing/print_preview_pdf_generated_browsertest.cc
diff --git a/chrome/browser/printing/print_preview_pdf_generated_browsertest.cc b/chrome/browser/printing/print_preview_pdf_generated_browsertest.cc
index 034580aa0bf97b1b5403fcba48c04583b22cba5e..3260bb9c2a8fc868ad72cefc1093962894bdf265 100644
--- a/chrome/browser/printing/print_preview_pdf_generated_browsertest.cc
+++ b/chrome/browser/printing/print_preview_pdf_generated_browsertest.cc
@@ -335,25 +335,25 @@ class PrintPreviewPdfGeneratedBrowserTest : public InProcessBrowserTest {
   // Converts the PDF to a PNG file so that the layout test can do an image
   // diff on this image and a reference image.
   void PdfToPng() {
-    std::string pdf_data;
-    ASSERT_TRUE(base::ReadFileToString(pdf_file_save_path_, &pdf_data));
-
     int num_pages;
     double max_width_in_points = 0;
-    void* pdf_handle = nullptr;
+    std::vector<uint8_t> bitmap_data;
+    double total_height_in_pixels = 0;
+    std::string pdf_data;
+
+    ASSERT_TRUE(base::ReadFileToString(pdf_file_save_path_, &pdf_data));
     ASSERT_TRUE(chrome_pdf::GetPDFDocInfo(pdf_data.data(), pdf_data.size(),
-                                          &num_pages, &max_width_in_points,
-                                          &pdf_handle));
+                                          &num_pages, &max_width_in_points));
+
     ASSERT_GT(num_pages, 0);
     double max_width_in_pixels =
         ConvertUnitDouble(max_width_in_points, kPointsPerInch, kDpi);
 
-    std::vector<uint8_t> bitmap_data;
-    double total_height_in_pixels = 0;
     for (int i = 0; i < num_pages; ++i) {
       double width_in_points, height_in_points;
       ASSERT_TRUE(chrome_pdf::GetPDFPageSizeByIndex(
-          pdf_handle, i, &width_in_points, &height_in_points));
+          pdf_data.data(), pdf_data.size(), i, &width_in_points,
+          &height_in_points));
 
       double width_in_pixels = ConvertUnitDouble(
           width_in_points, kPointsPerInch, kDpi);
@@ -384,8 +384,9 @@ class PrintPreviewPdfGeneratedBrowserTest : public InProcessBrowserTest {
                                             settings.area.size().GetArea());
 
       ASSERT_TRUE(chrome_pdf::RenderPDFPageToBitmap(
-          pdf_handle, i, page_bitmap_data.data(), settings.area.size().width(),
-          settings.area.size().height(), settings.dpi, settings.autorotate));
+          pdf_data.data(), pdf_data.size(), i, page_bitmap_data.data(),
+          settings.area.size().width(), settings.area.size().height(),
+          settings.dpi, settings.autorotate));
       FillPng(&page_bitmap_data, width_in_pixels, max_width_in_pixels,
               settings.area.size().height());
       bitmap_data.insert(bitmap_data.end(),
@@ -393,7 +394,6 @@ class PrintPreviewPdfGeneratedBrowserTest : public InProcessBrowserTest {
                          page_bitmap_data.end());
     }
 
-    chrome_pdf::ReleasePDFHandle(pdf_handle);
     CreatePng(bitmap_data, max_width_in_pixels, total_height_in_pixels);
   }