[Telemetry] Migrate bitmap.py from bitmaptools.cc to numpy

tools/telemetry/telemetry/core/tab.py

 # Copyright 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+from telemetry.core import bitmap
 from telemetry.core import video
 from telemetry.core import web_contents
 
 DEFAULT_TAB_TIMEOUT = 60
 
 
 class Tab(web_contents.WebContents):
   """Represents a tab in the browser
 
   The important parts of the Tab object are in the runtime and page objects.
   E.g.:
       # Navigates the tab to a given url.
       tab.Navigate('http://www.google.com/')
 
       # Evaluates 1+1 in the tab's JavaScript context.
       tab.Evaluate('1+1')
   """
+
   def __init__(self, inspector_backend, backend_list):
     super(Tab, self).__init__(inspector_backend, backend_list)
 
   @property
   def browser(self):
     """The browser in which this tab resides."""
     return self._inspector_backend.browser
 
   @property
   def url(self):
@@ skipping 48 matching lines @@
       A telemetry.core.Bitmap.
     """
     return self._inspector_backend.Screenshot(timeout)
 
   @property
   def video_capture_supported(self):
     """True if the browser instance is capable of capturing video."""
     return self.browser.platform.CanCaptureVideo()
 
   def Highlight(self, color):
-    """Synchronously highlights entire tab contents with the given RgbaColor.
+    """Synchronously highlights entire tab contents with the given color.
 
     TODO(tonyg): It is possible that the z-index hack here might not work for
     all pages. If this happens, DevTools also provides a method for this.
     """
     self.ExecuteJavaScript("""
       (function() {
         var screen = document.createElement('div');
         screen.style.background = 'rgba(%d, %d, %d, %d)';
         screen.style.position = 'fixed';
         screen.style.top = '0';
         screen.style.left = '0';
         screen.style.width = '100%%';
         screen.style.height = '100%%';
         screen.style.zIndex = '2147483638';
         document.body.appendChild(screen);
         requestAnimationFrame(function() {
           requestAnimationFrame(function() {
             window.__telemetry_screen_%d = screen;
           });
         });
       })();
-    """ % (color.r, color.g, color.b, color.a, int(color)))
+    """ % (color[2], color[1], color[0], 255, bitmap.BGRAColorAsInt(color)))
     self.WaitForJavaScriptExpression(
-        '!!window.__telemetry_screen_%d' % int(color), 5)
+        '!!window.__telemetry_screen_%d' % bitmap.BGRAColorAsInt(color), 5)
 
   def ClearHighlight(self, color):
-    """Clears a highlight of the given bitmap.RgbaColor."""
+    """Clears a highlight of the given color."""
     self.ExecuteJavaScript("""
       (function() {
         document.body.removeChild(window.__telemetry_screen_%d);
         requestAnimationFrame(function() {
           requestAnimationFrame(function() {
             window.__telemetry_screen_%d = null;
             console.time('__ClearHighlight.video_capture_start');
             console.timeEnd('__ClearHighlight.video_capture_start');
           });
         });
       })();
-    """ % (int(color), int(color)))
+    """ % (bitmap.BGRAColorAsInt(color), bitmap.BGRAColorAsInt(color)))
     self.WaitForJavaScriptExpression(
         '!window.__telemetry_screen_%d' % int(color), 5)
 
   def StartVideoCapture(self, min_bitrate_mbps,
                         highlight_bitmap=video.HIGHLIGHT_ORANGE_FRAME):
     """Starts capturing video of the tab's contents.
 
     This works by flashing the entire tab contents to a arbitrary color and then
     starting video recording. When the frames are processed, we can look for
     that flash as the content bounds.
@@ skipping 60 matching lines @@
     self.ExecuteJavaScript("""
         if (window.chrome && chrome.benchmarking &&
             chrome.benchmarking.clearCache) {
           chrome.benchmarking.clearCache();
           chrome.benchmarking.clearPredictorCache();
           chrome.benchmarking.clearHostResolverCache();
         }
     """)
     if force:
       self.Navigate('about:blank')