android envsetup: Remove --host-os flag.

android_webview/tools/gyp_webview

Index: android_webview/tools/gyp_webview
diff --git a/android_webview/tools/gyp_webview b/android_webview/tools/gyp_webview
index b44bfed36e68f9870a948c95043b6a08e6764246..880d8450c1129608dbe2409058cdabf580203521 100755
--- a/android_webview/tools/gyp_webview
+++ b/android_webview/tools/gyp_webview
@@ -21,26 +21,26 @@ FLAGS="-f android -Gdefault_target=All -Glimit_to_target_all=1 "\
 "${CHROME_SRC}/android_webview/all_webview.gyp"
 
 if [ "$PLATFORM" == "linux-arm" -o "$PLATFORM" == "all" ]; then
-  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=arm --host-os=linux \
-    && android_gyp --suffix .linux-arm ${FLAGS} )
+  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=arm \
+    && android_gyp --suffix .linux-arm ${FLAGS} -Dhost_os=linux )
 fi
 if [ "$PLATFORM" == "linux-x86" -o "$PLATFORM" == "all" ]; then
-  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=x86 --host-os=linux \
-    && android_gyp --suffix .linux-x86 ${FLAGS} )
+  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=x86 \
+    && android_gyp --suffix .linux-x86 ${FLAGS} -Dhost_os=linux )
 fi
 if [ "$PLATFORM" == "linux-mips" -o "$PLATFORM" == "all" ]; then
-  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=mips --host-os=linux \
-    && android_gyp --suffix .linux-mips ${FLAGS} )
+  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=mips \
+    && android_gyp --suffix .linux-mips ${FLAGS} -Dhost_os=linux )
 fi
 if [ "$PLATFORM" == "darwin-arm" -o "$PLATFORM" == "all" ]; then
-  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=arm --host-os=mac \
-    && android_gyp --suffix .darwin-arm ${FLAGS} )
+  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=arm \
+    && android_gyp --suffix .darwin-arm ${FLAGS} -Dhost_os=mac )
 fi
 if [ "$PLATFORM" == "darwin-x86" -o "$PLATFORM" == "all" ]; then
-  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=x86 --host-os=mac \
-    && android_gyp --suffix .darwin-x86 ${FLAGS} )
+  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=x86 \
+    && android_gyp --suffix .darwin-x86 ${FLAGS} -Dhost_os=mac )
 fi
 if [ "$PLATFORM" == "darwin-mips" -o "$PLATFORM" == "all" ]; then
-  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=mips --host-os=mac \
-    && android_gyp --suffix .darwin-mips ${FLAGS} )
+  ( . $CHROME_SRC/build/android/envsetup.sh --target-arch=mips \
+    && android_gyp --suffix .darwin-mips ${FLAGS} -Dhost_os=mac )
 fi