Revert of [Telemetry][CodeHealth] Make unittests with fake platforms use fakes.FakePlatform

telemetry/telemetry/testing/fakes/__init__.py

Index: telemetry/telemetry/testing/fakes/__init__.py
diff --git a/telemetry/telemetry/testing/fakes/__init__.py b/telemetry/telemetry/testing/fakes/__init__.py
index 3a7c425761fa478976013cda4cfacb835623b677..5cb897a1dbe758876e8317ce07d84bb49269c35a 100644
--- a/telemetry/telemetry/testing/fakes/__init__.py
+++ b/telemetry/telemetry/testing/fakes/__init__.py
@@ -10,11 +10,8 @@
 be subclassed; however, some, like _FakeBrowser, have public APIs that
 may need to be called in tests.
 """
-import tempfile
-
 from telemetry.internal.backends.chrome_inspector import websocket
 from telemetry.internal.browser import browser_options
-from telemetry.internal.image_processing import video
 from telemetry.internal.platform import system_info
 from telemetry.page import shared_page_state
 from telemetry.util import image_util
@@ -24,17 +21,6 @@
 
 # Classes and functions which are intended to be part of the public
 # fakes API.
-
-class FakePlatformBackend(object):
-  def __init__(self):
-    self.platform = FakePlatform()
-
-  def DidStartBrowser(self, browser, browser_backend):
-    del browser, browser_backend # unused
-
-  def WillCloseBrowser(self, browser, browser_backend):
-    del browser, browser_backend # unused
-
 
 class FakePlatform(object):
   def __init__(self):
@@ -42,20 +28,6 @@
     self._tracing_controller = None
     self._has_battor = False
     self._os_name = 'FakeOS'
-    self.device = 'fake_device'
-    self._is_video_capture_running = False
-
-  def StartVideoCapture(self, min_bitrate_mbps):
-    del min_bitrate_mbps # unused
-    self._is_video_capture_running = True
-
-  def StopVideoCapture(self):
-    self._is_video_capture_running = False
-    return video.Video(tempfile.NamedTemporaryFile())
-
-  @property
-  def is_video_capture_running(self):
-    return self._is_video_capture_running
 
   @property
   def is_host_platform(self):
@@ -582,3 +554,4 @@
       self._module.time = self._actual_time
       self._module = None
       self._actual_time = None
+