🌒 Remove support for split apks.

base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java

 // Copyright 2014 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.base.library_loader;
 
-import android.annotation.TargetApi;
 import android.content.Context;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.SystemClock;
 
 import org.chromium.base.CommandLine;
 import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
-import org.chromium.base.PackageUtils;
 import org.chromium.base.TraceEvent;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.metrics.RecordHistogram;
 
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import javax.annotation.Nullable;
 
 /**
@@ skipping 237 matching lines @@
                         if (linker.isChromiumLinkerLibrary(library)) {
                             if (DEBUG) Log.i(TAG, "ignoring self-linker load");
                             continue;
                         }
 
                         // Determine where the library should be loaded from.
                         String zipFilePath = null;
                         String libFilePath = System.mapLibraryName(library);
                         if (Linker.isInZipFile()) {
                             // Load directly from the APK.
-                            zipFilePath = getLibraryApkPath(context);
+                            zipFilePath = context.getApplicationInfo().sourceDir;
                             Log.i(TAG, "Loading " + library + " from within " + zipFilePath);
                         } else {
                             // The library is in its own file.
                             Log.i(TAG, "Loading " + library);
                         }
 
                         // Load the library using this Linker. May throw UnsatisfiedLinkError.
                         loadLibrary(linker, zipFilePath, libFilePath);
                     }
 
@@ skipping 30 matching lines @@
             throw new ProcessInitException(LoaderErrors.LOADER_ERROR_NATIVE_LIBRARY_WRONG_VERSION);
         }
     }
 
     // Returns whether the given split name is that of the ABI split.
     private static boolean isAbiSplit(String splitName) {
         // The split name for the ABI split is manually set in the build rules.
         return splitName.startsWith("abi_");
     }
 
-    // Returns the path to the .apk that holds the native libraries.
-    // This is either the main .apk, or the abi split apk.
-    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-    private static String getLibraryApkPath(Context context) {
-        ApplicationInfo appInfo = context.getApplicationInfo();
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
-            return appInfo.sourceDir;
-        }
-        PackageInfo packageInfo = PackageUtils.getOwnPackageInfo(context);
-        if (packageInfo.splitNames != null) {
-            for (int i = 0; i < packageInfo.splitNames.length; ++i) {
-                if (isAbiSplit(packageInfo.splitNames[i])) {
-                    return appInfo.splitSourceDirs[i];
-                }
-            }
-        }
-        return appInfo.sourceDir;
-    }
-
     // The WebView requires the Command Line to be switched over before
     // initialization is done. This is okay in the WebView's case since the
     // JNI is already loaded by this point.
     public void switchCommandLineForWebView() {
         synchronized (sLock) {
             ensureCommandLineSwitchedAlreadyLocked();
         }
     }
 
     // Switch the CommandLine over from Java to native if it hasn't already been done.
@@ skipping 125 matching lines @@
 
     // Finds the ranges corresponding to the native library pages, forks a new
     // process to prefetch these pages and waits for it. The new process then
     // terminates. This is blocking.
     private static native boolean nativeForkAndPrefetchNativeLibrary();
 
     // Returns the percentage of the native library code page that are currently reseident in
     // memory.
     private static native int nativePercentageOfResidentNativeLibraryCode();
 }