Remove kForceDisplayColorProfile from PrepareBrowserCommandLineForBrowserTests

This switch is also set in BrowserTestBase, so the call here is a
duplicate, adding the switch a second time.

R=avi@chromium.org

Bug: 961849
Change-Id: Ie29bfe1be5d3b4da4ad00df078ee6f67c1e0fe15
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1671070Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#671648}

chrome/test/base/test_launcher_utils.cc

@@ -75,11 +75,6 @@ void PrepareBrowserCommandLineForBrowserTests(base::CommandLine* command_line,
   // This is a Browser test.
   command_line->AppendSwitchASCII(switches::kTestType, "browser");
 
-  // Some browser tests produce pixel results and compare them. Use an sRGB
-  // color profile to ensure that the machine's color profile does not affect
-  // the results.
-  command_line->AppendSwitchASCII(switches::kForceDisplayColorProfile, "srgb");
-
   if (open_about_blank_on_launch && command_line->GetArgs().empty())
     command_line->AppendArg(url::kAboutBlankURL);
 }