android: Remove GetSDK() from install_emulator_deps.

These days, the SDK is already checked out by DEPS in
src/third_party/android_tools/sdk, so trying to download it again from a
different location at a later stage does not make much sense.

R=peter@chromium.org,bulach@chromium.org,craigdh@chromium.org,frankf@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23621025

git-svn-id: http://src.chromium.org/svn/trunk/src/build@222121 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/install_emulator_deps.py

@@ -5,7 +5,7 @@
 
 """Installs deps for using SDK emulator for testing.
 
-The script will download the SDK and system images, if they are not present, and
+The script will download system images, if they are not present, and
 install and enable KVM, if virtualization has been enabled in the BIOS.
 """
 
@@ -19,10 +19,6 @@ from pylib import cmd_helper
 from pylib import constants
 from pylib.utils import run_tests_helper
 
-# From the Android Developer's website.
-SDK_BASE_URL = 'http://dl.google.com/android/adt'
-SDK_ZIP = 'adt-bundle-linux-x86_64-20130522.zip'
-
 # Android x86 system image from the Intel website:
 # http://software.intel.com/en-us/articles/intel-eula-x86-android-4-2-jelly-bean-bin
 X86_IMG_URL = 'http://download-software.intel.com/sites/landingpage/android/sysimg_x86-17_r01.zip'
@@ -65,27 +61,6 @@ def CheckKVM():
     return False
 
 
-def GetSDK():
-  """Download the SDK and unzip in android_tools directory."""
-  logging.info('Download Android SDK.')
-  sdk_url = '%s/%s' % (SDK_BASE_URL, SDK_ZIP)
-  try:
-    cmd_helper.RunCmd(['curl', '-o', '/tmp/sdk.zip', sdk_url])
-    print 'curled unzipping...'
-    rc = cmd_helper.RunCmd(['unzip', '-o', '/tmp/sdk.zip', '-d', '/tmp/'])
-    if rc:
-      logging.critical('ERROR: could not download/unzip Android SDK.')
-      raise
-    # Get the name of the sub-directory that everything will be extracted to.
-    dirname, _ = os.path.splitext(SDK_ZIP)
-    zip_dir = '/tmp/%s' % dirname
-    # Move the extracted directory to EMULATOR_SDK_ROOT
-    dst = os.path.join(constants.EMULATOR_SDK_ROOT, 'android_tools')
-    shutil.move(zip_dir, dst)
-  finally:
-    os.unlink('/tmp/sdk.zip')
-
-
 def InstallKVM():
   """Installs KVM packages."""
   rc = cmd_helper.RunCmd(['sudo', 'apt-get', 'install', 'kvm'])
@@ -127,14 +102,17 @@ def main(argv):
                       format='# %(asctime)-15s: %(message)s')
   run_tests_helper.SetLogLevel(verbose_count=1)
 
-  # Calls below will download emulator SDK and/or system images only if needed.
-  if CheckSDK():
-    logging.info('android_tools directory already exists (not downloading).')
-  else:
-    GetSDK()
+  if not CheckSDK():
+    logging.critical(
+      'ERROR: android_tools does not exist. Make sure your .gclient file '
+      'contains the right \'target_os\' entry. See '
+      'https://code.google.com/p/chromium/wiki/AndroidBuildInstructions for '
+      'more information.')
+    return 1
 
   logging.info('Emulator deps for ARM emulator complete.')
 
+  # Download system images only if needed.
   if CheckX86Image():
     logging.info('system-images directory already exists.')
   else: