android tests: don't override DIR_MODULE

chrome/common/chrome_paths.cc

Index: chrome/common/chrome_paths.cc
diff --git a/chrome/common/chrome_paths.cc b/chrome/common/chrome_paths.cc
index 6960bf3c61e3bd02a701c4c3d91821208cfcf337..df5df2fa479feaa878185b5847e23e1d9066bc0d 100644
--- a/chrome/common/chrome_paths.cc
+++ b/chrome/common/chrome_paths.cc
@@ -20,6 +20,7 @@
 
 #if defined(OS_ANDROID)
 #include "base/android/path_utils.h"
+#include "base/base_paths_android.h"
 #endif
 
 #if defined(OS_MACOSX)
@@ -434,8 +435,15 @@ bool PathProvider(int key, base::FilePath* result) {
     // will fail if executed from an installed executable (because the
     // generated path won't exist).
     case chrome::DIR_GEN_TEST_DATA:
+#if defined(OS_ANDROID)
+      // On Android, our tests don't have permission to write to DIR_MODULE.
+      // gtest/test_runner.py pushes data to external storage.
+      if (!PathService::Get(base::DIR_ANDROID_EXTERNAL_STORAGE, &cur))
+        return false;
+#else
       if (!PathService::Get(base::DIR_MODULE, &cur))
         return false;
+#endif
       cur = cur.Append(FILE_PATH_LITERAL("test_data"));
       if (!base::PathExists(cur))  // We don't want to create this.
         return false;