android envsetup: Delete bitrotted comments.

build/android/envsetup_functions.sh

Index: build/android/envsetup_functions.sh
diff --git a/build/android/envsetup_functions.sh b/build/android/envsetup_functions.sh
index 67084311542be74788f35f1e8bb5fc7add4c2b2c..e1534d1112208a19efe33318192146ff9baadc98 100755
--- a/build/android/envsetup_functions.sh
+++ b/build/android/envsetup_functions.sh
@@ -76,8 +76,7 @@ ${ANDROID_SDK_BUILD_TOOLS_VERSION}
   # http://crbug.com/142642
   export STRIP=$(echo ${ANDROID_TOOLCHAIN}/*-strip)
 
-  # The set of GYP_DEFINES to pass to gyp. Use 'readlink -e' on directories
-  # to canonicalize them (remove double '/', remove trailing '/', etc).
+  # The set of GYP_DEFINES to pass to gyp.
   DEFINES="OS=android"
   DEFINES+=" host_os=${host_os}"
 
@@ -164,9 +163,6 @@ print_usage() {
 
 ################################################################################
 # Process command line options.
-# --target-arch=  Specifices target CPU architecture. Currently supported
-#                 architectures are "arm" (default), and "x86".
-# --help          Prints out help message.
 ################################################################################
 process_options() {
   host_os=$(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')
@@ -199,16 +195,7 @@ process_options() {
 }
 
 ################################################################################
-# Initializes environment variables for NDK/SDK build. Only Android NDK Revision
-# 7 on Linux or Mac is offically supported. To run this script, the system
-# environment ANDROID_NDK_ROOT must be set to Android NDK's root path.  The
-# ANDROID_SDK_ROOT only needs to be set to override the default SDK which is in
-# the tree under $ROOT/src/third_party/android_tools/sdk.
-# To build Chromium for Android with NDK/SDK follow the steps below:
-#  > export ANDROID_NDK_ROOT=<android ndk root>
-#  > export ANDROID_SDK_ROOT=<android sdk root> # to override the default sdk
-#  > . build/android/envsetup.sh
-#  > make
+# Initializes environment variables for NDK/SDK build.
 ################################################################################
 sdk_build_init() {
 
@@ -266,8 +253,7 @@ ${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.
+# source tree.
 #############################################################################
 webview_build_init() {
   # Use the latest API in the AOSP prebuilts directory (change with AOSP roll).