[Android WebView] Ensure we have user consent before uploading minidumps

android_webview/java/src/org/chromium/android_webview/command_line/CommandLineUtil.java

Index: android_webview/java/src/org/chromium/android_webview/command_line/CommandLineUtil.java
diff --git a/android_webview/java/src/org/chromium/android_webview/command_line/CommandLineUtil.java b/android_webview/java/src/org/chromium/android_webview/command_line/CommandLineUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..00f508ed5fa1db2f282ff459ba5b71f25d211793
--- /dev/null
+++ b/android_webview/java/src/org/chromium/android_webview/command_line/CommandLineUtil.java
@@ -0,0 +1,45 @@
+// Copyright 2017 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.android_webview.command_line;
+
+import android.os.Build;
+import android.os.StrictMode;
+
+import org.chromium.base.CommandLine;
+import org.chromium.base.annotations.SuppressFBWarnings;
+
+/**
+ * Utility class for WebView's CommandLine - this is compiled into a separate target that can be
+ * reached from WebView's separate minidump-uploading Services.
+ */
+public class CommandLineUtil {
+    private CommandLineUtil() {}
+
+    public static final String WEBVIEW_COMMAND_LINE_FILE = "/data/local/tmp/webview-command-line";
+
+    // same switch as kEnableCrashReporterForTesting in //base/base_switches.h
+    public static final String CRASH_UPLOADS_ENABLED_FOR_TESTING_SWITCH =
+            "enable-crash-reporter-for-testing";
+
+    public static boolean isBuildDebuggable() {
+        return !Build.TYPE.equals("user");
+    }
+
+    /**
+     * Initialize the CommandLine for WebView - this should be initialized on the same thread where
+     * we subsequently access CommandLine.
+     */
+    @SuppressFBWarnings("DMI_HARDCODED_ABSOLUTE_FILENAME")
+    public static void initCommandLine() {
+        if (CommandLineUtil.isBuildDebuggable()) {
+            // Suppress the StrictMode violation as this codepath is only hit on debuggable builds.
+            StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
+            CommandLine.initFromFile(CommandLineUtil.WEBVIEW_COMMAND_LINE_FILE);
+            StrictMode.setThreadPolicy(oldPolicy);
+        } else {
+            CommandLine.init(null);
+        }
+    }
+}