Fix build of pdfium_embeddertest under V8_USE_EXTERNAL_STARTUP_DATA.

testing/embedder_test.cpp

 // Copyright (c) 2015 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 "embedder_test.h"
 
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 42 matching lines @@
     free(buffer);
     return NULL;
   }
   *retlen = bytes_read;
   return buffer;
 }
 
 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
 // Returns the full path for an external V8 data file based on either
 // the currect exectuable path or an explicit override.
-static std::string GetFullPathForSnapshotFile(const Options& options,
+static std::string GetFullPathForSnapshotFile(const std::string& exe_path,
                                               const std::string& filename) {
   std::string result;
-  if (!options.bin_directory.empty()) {
-    result = options.bin_directory;
-    if (*options.bin_directory.rbegin() != PATH_SEPARATOR) {
-      result += PATH_SEPARATOR;
-    }
-  } else if (!options.exe_path.empty()) {
-    size_t last_separator = options.exe_path.rfind(PATH_SEPARATOR);
+  if (!exe_path.empty()) {
+    size_t last_separator = exe_path.rfind(PATH_SEPARATOR);
     if (last_separator != std::string::npos)  {
-      result = options.exe_path.substr(0, last_separator + 1);
+      result = exe_path.substr(0, last_separator + 1);
     }
   }
   result += filename;
   return result;
 }
 
 // Reads an extenal V8 data file from the |options|-indicated location,
 // returing true on success and false on error.
-static bool GetExternalData(const Options& options,
-                            const std::string& bin_filename,
+static bool GetExternalData(const std::string& exe_path,
+                            const std::string& filename,
                             v8::StartupData* result_data) {
-  std::string full_path = GetFullPathForSnapshotFile(options, bin_filename);
+  std::string full_path = GetFullPathForSnapshotFile(exe_path, filename);
   size_t data_length = 0;
   char* data_buffer = GetFileContents(full_path.c_str(), &data_length);
   if (!data_buffer) {
     return false;
   }
   result_data->data = const_cast<const char*>(data_buffer);
   result_data->raw_size = data_length;
   return true;
 }
 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
@@ skipping 69 matching lines @@
   return 1;
 }
 
 bool Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) {
   return true;
 }
 
 void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {
 }
 
+// static
+const char* EmbedderTest::g_exe_path_ = nullptr;
+
+//  static
+void EmbedderTest::SetExePath(const char* exe_path) {
+  g_exe_path_ = exe_path;
+}
+
 void EmbedderTest::SetUp() {
     v8::V8::InitializeICU();
 
 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
-    ASSERT_TRUE(GetExternalData(options, "natives_blob.bin", &natives_));
-    ASSERT_TRUE(GetExternalData(options, "snapshot_blob.bin", &snapshot_));
-    v8::V8::SetNativesDataBlob(&natives);
-    v8::V8::SetSnapshotDataBlob(&snapshot);
+    ASSERT_TRUE(GetExternalData(g_exe_path_, "natives_blob.bin", &natives_));
+    ASSERT_TRUE(GetExternalData(g_exe_path_, "snapshot_blob.bin", &snapshot_));
+    v8::V8::SetNativesDataBlob(&natives_);
+    v8::V8::SetSnapshotDataBlob(&snapshot_);
 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
 
     FPDF_InitLibrary();
 
     UNSUPPORT_INFO unsuppored_info;
     memset(&unsuppored_info, '\0', sizeof(unsuppored_info));
     unsuppored_info.version = 1;
     unsuppored_info.FSDK_UnSupport_Handler = Unsupported_Handler;
     FSDK_SetUnSpObjProcessHandler(&unsuppored_info);
   }
@@ skipping 103 matching lines @@
   FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);
   FPDF_FFLDraw(form, bitmap, page, 0, 0, width, height, 0, 0);
   return bitmap;
 }
 
 void EmbedderTest::UnloadPage(FPDF_PAGE page, FPDF_FORMHANDLE form) {
   FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE);
   FORM_OnBeforeClosePage(page, form);
   FPDF_ClosePage(page);
 }
+
+// Can't use gtest-provided main since we need to stash the path to the
+// executable in order to find the external V8 binary data files.
+int main(int argc, char** argv) {
+  EmbedderTest::SetExePath(argv[0]);
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}