Build with API level 18 on Android.

build/android/envsetup_functions.sh

 #!/bin/bash
 
 # Copyright (c) 2012 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.
 
 # Defines functions for envsetup.sh which sets up environment for building
 # Chromium on Android.  The build can be either use the Android NDK/SDK or
 # android source tree.  Each has a unique init function which calls functions
 # prefixed with "common_" that is common for both environment setups.
@@ skipping 261 matching lines @@
 ${ANDROID_SDK_BUILD_TOOLS_VERSION}"
 }
 
 ################################################################################
 # To build WebView, we use the Android build system and build inside an Android
 # source tree. This method is called from non_sdk_build_init() and adds to the
 # settings specified there.
 #############################################################################
 webview_build_init() {
   # Use the latest API in the AOSP prebuilts directory (change with AOSP roll).
-  export ANDROID_SDK_VERSION=17
+  export ANDROID_SDK_VERSION=18
 
   # For the WebView build we always use the NDK and SDK in the Android tree,
   # and we don't touch ANDROID_TOOLCHAIN which is already set by Android.
   export ANDROID_NDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/ndk/8
   export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
 ${ANDROID_SDK_VERSION}
 
   common_vars_defines
 
   # We need to supply SDK paths relative to the top of the Android tree to make
@@ skipping 33 matching lines @@
   export GYP_DEFINES="${DEFINES}"
 
   export GYP_GENERATORS="android"
 
   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} limit_to_target_all=1"
   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} auto_regeneration=0"
 
   export CHROMIUM_GYP_FILE="${CHROME_SRC}/android_webview/all_webview.gyp"
 }