Basic framework for devtools-based scrolling tests.

tools/chrome_remote_control/chrome_remote_control/browser_finder.py

Index: tools/chrome_remote_control/chrome_remote_control/browser_finder.py
diff --git a/tools/chrome_remote_control/chrome_remote_control/browser_finder.py b/tools/chrome_remote_control/chrome_remote_control/browser_finder.py
new file mode 100644
index 0000000000000000000000000000000000000000..3cd12eccd0aa9e79a97ec42c4127ade425816ab9
--- /dev/null
+++ b/tools/chrome_remote_control/chrome_remote_control/browser_finder.py
@@ -0,0 +1,75 @@
+# Copyright (c) 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.
+
+import os as real_os
+import sys as real_sys
+import subprocess as real_subprocess
+
+def Find(options,
+         chrome_src_dir = None,
+         os = real_os,
+         sys = real_sys,
+         subprocess = real_subprocess):
+  # Use an absolute browser path if given
+  if options.browser_executable:
+    if os.path.exists(options.browser_executable):
+      return options.browser_executable
+    return None
+
+  # Look for a browser in the standard chrome build locations.
+  if chrome_src_dir == None:
+    chrome_src_dir = os.path.join(os.path.dirname(__file__), "../../../")
+
+  if options.debug:
+    buildname = "Debug"
+  else:
+    buildname = "Release"
+
+  if sys.platform == 'darwin':
+    app_name = "Chromium.app/Contents/MacOS/Chromium"
+  elif sys.platform.startswith('linux'):
+    app_name = "chrome"
+  elif sys.platform == 'win':
+    app_name = "chrome.exe"
+  else:
+    raise Exception("Platform not recognized")
+
+  built_app = os.path.join(chrome_src_dir, "out", buildname, app_name)
+  if os.path.exists(built_app):
+    return built_app
+
+  # Look for an installed version of the browser.
+  if sys.platform == 'darwin':
+    mac_canary = "/Applications/Google Chrome Canary.app/" +

[dtu, 2012/08/24 08:55:43]

Parentheses around these string literals, and you don't need the +

+                 "Contents/MacOS/Google Chrome Canary"
+    mac_stable = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+    if options.canary:
+      if os.path.exists(mac_canary):
+        return mac_canary
+      return None
+
+    if os.path.exists(mac_stable):
+      return mac_stable
+
+    if os.path.exists(mac_canary):
+      return mac_canary
+
+    # TODO(nduca): Look for a browser in the cwd
+    return None
+
+  if sys.platform.startswith('linux'):
+    if options.canary:
+      return None
+
+    # look for a google-chrome
+    found = False
+    try:
+      found = subprocess.call(['google-chrome', '--version']) == 0
+    except OSError:
+      pass
+    if found:
+      return 'google-chrome'
+    return None
+
+  raise Exception("Unsupported platform.")