Making WebRTC quality tests less dependent on installed tools.

chrome/browser/media/webrtc_browsertest_common.cc

 // Copyright 2013 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 "chrome/browser/media/webrtc_browsertest_common.h"
 
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/test_timeouts.h"
@@ skipping 27 matching lines @@
 
 const int kDefaultPollIntervalMsec = 250;
 
 base::FilePath GetReferenceFilesDir() {
   base::FilePath test_data_dir;
   PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir);
 
   return test_data_dir.Append(kReferenceFilesDirName);
 }
 
+base::FilePath GetToolForPlatform(const std::string& tool_name) {
+  base::FilePath tools_dir =
+      GetReferenceFilesDir().Append(FILE_PATH_LITERAL("tools"));
+#if defined(OS_WIN)
+  return tools_dir
+      .Append(FILE_PATH_LITERAL("win"))
+      .AppendASCII(tool_name)
+      .AddExtension(FILE_PATH_LITERAL("exe"));
+#elif defined(OS_MACOSX)
+  return tools_dir.Append(FILE_PATH_LITERAL("mac")).AppendASCII(tool_name);
+#elif defined(OS_LINUX)
+  return tools_dir.Append(FILE_PATH_LITERAL("linux")).AppendASCII(tool_name);
+#else
+  CHECK(false) << "Can't retrieve tool " << tool_name << " on this platform.";
+  return base::FilePath();
+#endif
+}
+
 bool HasReferenceFilesInCheckout() {
   if (!base::PathExists(GetReferenceFilesDir())) {
     LOG(ERROR)
         << "Cannot find the working directory for the reference video "
         << "files, expected at " << GetReferenceFilesDir().value() << ". " <<
         kAdviseOnGclientSolution;
     return false;
   }
   return HasYuvAndY4mFile(test::kReferenceFileName360p) &&
       HasYuvAndY4mFile(test::kReferenceFileName720p);
@@ skipping 68 matching lines @@
     }
   }
   LOG(ERROR)
       << "Timed out while waiting for " << javascript
       << " to evaluate to " << evaluates_to << "; last result was '" << result
       << "'";
   return false;
 }
 
 }  // namespace test