Revert of Android: Remove GetApplicationContext part 2

components/minidump_uploader/android/javatests/src/org/chromium/components/minidump_uploader/CrashFileManagerTest.java

 // Copyright 2016 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.
 
 package org.chromium.components.minidump_uploader;
 
 import static org.junit.Assert.assertArrayEquals;
 
 import android.os.ParcelFileDescriptor;
 import android.support.test.filters.MediumTest;
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                     if (!file.delete()) {
                         throw new RuntimeException(
                                 "Couldn't delete file " + file.getAbsolutePath());
                     }
                 }
             }
         }
     }
 
     private void testMinidumpStorageRestrictions(boolean perUid) throws IOException {
-        CrashFileManager fileManager = new CrashFileManager(mCacheDir);
+        CrashFileManager fileManager =
+                new CrashFileManager(getInstrumentation().getTargetContext().getCacheDir());
         // Delete existing minidumps to ensure they don't interfere with this test.
         deleteFilesInDirIfExists(fileManager.getCrashDirectory());
         assertEquals(0, fileManager.getAllMinidumpFiles(10000 /* maxTries */).length);
-        File tmpCopyDir = new File(getExistingCacheDir(), "tmpDir");
+        File tmpCopyDir = new File(getInstrumentation().getTargetContext().getCacheDir(), "tmpDir");
 
         // Note that these minidump files are set up directly in the cache dir - not in the crash
         // dir. This is to ensure the CrashFileManager doesn't see these minidumps without us first
         // copying them.
-        File minidumpToCopy = new File(getExistingCacheDir(), "toCopy.dmp");
+        File minidumpToCopy =
+                new File(getInstrumentation().getTargetContext().getCacheDir(), "toCopy.dmp");
         setUpMinidumpFile(minidumpToCopy, "BOUNDARY");
         // Ensure we didn't add any new minidumps to the crash directory.
         assertEquals(0, fileManager.getAllMinidumpFiles(10000 /* maxTries */).length);
 
         int minidumpLimit = perUid ? CrashFileManager.MAX_CRASH_REPORTS_TO_UPLOAD_PER_UID
                                    : CrashFileManager.MAX_CRASH_REPORTS_TO_UPLOAD;
         for (int n = 0; n < minidumpLimit; n++) {
             // If we are testing the app-throttling we want to use the same uid for each
             // minidump, otherwise use a different one for each minidump.
             createFdForandCopyFile(fileManager, minidumpToCopy, tmpCopyDir,
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         }
         return oldestFile;
     }
 
     /**
      * Ensure that we won't copy minidumps that are too large.
      */
     @MediumTest
     @Feature({"Android-AppBase"})
     public void testCantCopyLargeFile() throws IOException {
-        CrashFileManager fileManager = new CrashFileManager(mCacheDir);
+        CrashFileManager fileManager =
+                new CrashFileManager(getInstrumentation().getTargetContext().getCacheDir());
         // Delete existing minidumps to ensure they don't interfere with this test.
         deleteFilesInDirIfExists(fileManager.getCrashDirectory());
         assertEquals(0, fileManager.getAllMinidumpFiles(10000 /* maxTries */).length);
-        File tmpCopyDir = new File(getExistingCacheDir(), "tmpDir");
+        File tmpCopyDir = new File(getInstrumentation().getTargetContext().getCacheDir(), "tmpDir");
 
         // Note that these minidump files are set up directly in the cache dir - not in the crash
         // dir. This is to ensure the CrashFileManager doesn't see these minidumps without us first
         // copying them.
-        File minidumpToCopy = new File(getExistingCacheDir(), "toCopy.dmp");
+        File minidumpToCopy =
+                new File(getInstrumentation().getTargetContext().getCacheDir(), "toCopy.dmp");
         setUpMinidumpFile(minidumpToCopy, "BOUNDARY");
         // Write ~1MB data into the minidump file.
         final int kilo = 1024;
         byte[] kiloByteArray = new byte[kilo];
         FileOutputStream minidumpOutputStream =
                 new FileOutputStream(minidumpToCopy, true /* append */);
         try {
             for (int n = 0; n < kilo; n++) {
                 minidumpOutputStream.write(kiloByteArray);
             }
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         assertFalse(mMultiDigitMaxTriesFile.exists());
         assertFalse(mUpFile1.exists());
         assertFalse(mUpFile2.exists());
         assertFalse(temp1.exists());
         assertFalse(temp2.exists());
         assertFalse(success1.exists());
         assertFalse(success2.exists());
         assertFalse(success3.exists());
     }
 }