Add logging to help diagnose reason for ASan LSan flakiness.

The test PlatformAppBrowserTest.AppWindowAdjustBounds... is flaky on
the Linux ChromeOS ASan LSan bot. This adds some temporary loggin' to get
some information on where it is hanging.

BUG=377754

Review URL: https://codereview.chromium.org/309223002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274503 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/apps/app_browsertest.cc

@@ -748,9 +748,14 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MAYBE_AppWindowRestoreState) {
 
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest,
                        AppWindowAdjustBoundsToBeVisibleOnScreen) {
+  // TODO(benwells): Remove this logging once flakiness has been observed.
+  // See http://crbug.com/377754.
+  LOG(WARNING) << "Loading minimal app";
   const Extension* extension = LoadAndLaunchPlatformApp("minimal");
+  LOG(WARNING) << "Creating window";
   AppWindow* window = CreateAppWindow(extension);
 
+  LOG(WARNING) << "Performing tests";
   // The screen bounds didn't change, the cached bounds didn't need to adjust.
   gfx::Rect cached_bounds(80, 100, 400, 400);
   gfx::Rect cached_screen_bounds(0, 0, 1600, 900);
@@ -818,6 +823,7 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest,
                                                   gfx::Size(900, 900),
                                                   &bounds);
   EXPECT_EQ(bounds, gfx::Rect(0, 0, 900, 900));
+  LOG(WARNING) << "Tests complete";
 }
 
 namespace {