android: Add screen recording tool

tools/telemetry/telemetry/core/platform/profiler/android_screen_recorder_profiler.py

Index: tools/telemetry/telemetry/core/platform/profiler/android_screen_recorder_profiler.py
diff --git a/tools/telemetry/telemetry/core/platform/profiler/android_memreport_profiler.py b/tools/telemetry/telemetry/core/platform/profiler/android_screen_recorder_profiler.py
similarity index 50%
copy from tools/telemetry/telemetry/core/platform/profiler/android_memreport_profiler.py
copy to tools/telemetry/telemetry/core/platform/profiler/android_screen_recorder_profiler.py
index 3bf680696d505f9d1984b764c9d70497d02a2518..1fcad70db53201a536735c60f92027326bfd9fa2 100644
--- a/tools/telemetry/telemetry/core/platform/profiler/android_memreport_profiler.py
+++ b/tools/telemetry/telemetry/core/platform/profiler/android_screen_recorder_profiler.py
@@ -9,23 +9,21 @@ from telemetry.core import util
 from telemetry.core.backends.chrome import android_browser_finder
 from telemetry.core.platform import profiler
 
-class AndroidMemReportProfiler(profiler.Profiler):
-  """Android-specific, collects 'memreport' graphs."""
+class AndroidScreenRecordingProfiler(profiler.Profiler):
+  """Captures a screen recording on Android."""
 
   def __init__(self, browser_backend, platform_backend, output_path, state):
-    super(AndroidMemReportProfiler, self).__init__(
+    super(AndroidScreenRecordingProfiler, self).__init__(
         browser_backend, platform_backend, output_path, state)
-    self._html_file = output_path + '.html'
-    self._memreport = subprocess.Popen(
-        [os.path.join(util.GetChromiumSrcDir(),
-                      'tools', 'android', 'memdump', 'memreport.py'),
-         '--manual-graph', '--package', browser_backend.package],
-         stdout=file(self._html_file, 'w'),
-         stdin=subprocess.PIPE)
+    self._output_path = output_path + '.mp4'
+    self._recorder = subprocess.Popen(
+        [os.path.join(util.GetChromiumSrcDir(), 'build', 'android',
+                      'screenshot.py'), '--video', '--output',
+         self._output_path], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
 
   @classmethod
   def name(cls):
-    return 'android-memreport'
+    return 'android-screen-recorder'
 
   @classmethod
   def is_supported(cls, browser_type):
@@ -34,8 +32,9 @@ class AndroidMemReportProfiler(profiler.Profiler):
     return browser_type.startswith('android')
 
   def CollectProfile(self):
-    self._memreport.communicate(input='\n')
-    self._memreport.wait()
-    print 'To view the memory report, open:'
-    print self._html_file
-    return [self._html_file]
+    self._recorder.communicate(input='\n')
+    self._recorder.wait()
+
+    print 'Screen recording saved as %s' % self._output_path
+    print 'To view, open in Chrome or a video player'
+    return [self._output_path]