Making the browser tests work on Unix

base/native_library_mac.mm

 // Copyright (c) 2009 The Chromium 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 "base/native_library.h"
 
+#include <dlfcn.h>
 #import <Carbon/Carbon.h>
 
 #include "base/file_path.h"
+#include "base/file_util.h"
 #include "base/scoped_cftyperef.h"
+#include "base/string_util.h"
 
 namespace base {
 
 // static
 NativeLibrary LoadNativeLibrary(const FilePath& library_path) {
+  if (library_path.Extension() == "dylib" ||
+      !file_util::DirectoryExists(library_path)) {
+    void* dylib = dlopen(library_path.value().c_str(), RTLD_LAZY);
+    if (!dylib)
+      return NULL;
+    NativeLibrary native_lib = new NativeLibraryStruct();
+    native_lib->type = DYNAMIC_LIB;
+    native_lib->dylib = dylib;
+    return native_lib;
+  }
   scoped_cftyperef<CFURLRef> url(CFURLCreateFromFileSystemRepresentation(
       kCFAllocatorDefault,
       (const UInt8*)library_path.value().c_str(),
       library_path.value().length(),
       true));
   if (!url)
     return NULL;
+  CFBundleRef bundle = CFBundleCreate(kCFAllocatorDefault, url.get());
+  if (!bundle)
+    return NULL;
 
-  return CFBundleCreate(kCFAllocatorDefault, url.get());
+  NativeLibrary native_lib = new NativeLibraryStruct();
+  native_lib->type = BUNDLE;
+  native_lib->bundle = bundle;
+  return native_lib;
 }
 
 // static
 void UnloadNativeLibrary(NativeLibrary library) {
-  CFRelease(library);
+  if (library->type == BUNDLE)
+    CFRelease(library->bundle);
+  else
+    dlclose(library->dylib);
+  delete library;
 }
 
 // static
 void* GetFunctionPointerFromNativeLibrary(NativeLibrary library,
-                                          NativeLibraryFunctionNameType name) {
-  return CFBundleGetFunctionPointerForName(library, name);
+                                          const char* name) {
+  if (library->type == BUNDLE)
+    return CFBundleGetFunctionPointerForName(library->bundle,
+        CFStringCreateWithCString(kCFAllocatorDefault, name,
+                                  kCFStringEncodingUTF8));
+
+  return dlsym(library->dylib, name);
+}
+
+// static
+string16 GetNativeLibraryName(const string16& name) {
+  return name + ASCIIToUTF16(".dylib");
 }
 
 }  // namespace base