CyanogenMod Build Error mWebChromeClient

First time brunch hammerhead

target Strip: libvisualizer (/home/andrew/android/system/out/target/product/hammerhead/obj/lib/libvisualizer.so)
target Dex: BackupRestoreConfirmation
target Dex: CMUpdater
target Dex: CalendarProvider
target Dex: DefaultContainerService
frameworks/webview/chromium/java/com/android/webview/chromium/WebViewContentsClientAdapter.java:743: cannot find symbol
symbol  : method showFileChooser(android.webkit.ValueCallback<java.lang.String[]>,java.lang.String,boolean)
location: class android.webkit.WebChromeClient
            mWebChromeClient.showFileChooser(uploadFilePathsCallback,
                            ^
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
1 error
make: *** [/home/andrew/android/system/out/target/common/obj/JAVA_LIBRARIES/webviewchromium_intermediates/classes-full-debug.jar] Error 41
make: *** Waiting for unfinished jobs....


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Second time brunch hammerhead

Copying: /home/andrew/android/system/out/target/common/obj/APPS/BackupRestoreConfirmation_intermediates/classes.dex
Copying: /home/andrew/android/system/out/target/common/obj/APPS/CMUpdater_intermediates/classes.dex
Copying: /home/andrew/android/system/out/target/common/obj/APPS/CalendarProvider_intermediates/classes.dex
Copying: /home/andrew/android/system/out/target/common/obj/APPS/DefaultContainerService_intermediates/classes.dex
target Java: DownloadProvider (/home/andrew/android/system/out/target/common/obj/APPS/DownloadProvider_intermediates/classes)
frameworks/webview/chromium/java/com/android/webview/chromium/WebViewContentsClientAdapter.java:743: cannot find symbol
symbol  : method showFileChooser(android.webkit.ValueCallback<java.lang.String[]>,java.lang.String,boolean)
location: class android.webkit.WebChromeClient
            mWebChromeClient.showFileChooser(uploadFilePathsCallback,
                            ^
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
1 error
make: *** [/home/andrew/android/system/out/target/common/obj/JAVA_LIBRARIES/webviewchromium_intermediates/classes-full-debug.jar] Error 41
make: *** Waiting for unfinished jobs....
Note: packages/providers/DownloadProvider/src/com/android/providers/downloads/StorageManager.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
#
# configuration written to .config
#
make[1]: Leaving directory `/home/andrew/android/system/kernel/lge/hammerhead'