Add logging to help diagnose reason for ASan LSan flakiness.

chrome/browser/apps/app_browsertest.cc

 // Copyright 2013 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.
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "apps/common/api/app_runtime.h"
 #include "apps/launcher.h"
 #include "apps/ui/native_app_window.h"
 #include "base/bind.h"
@@ skipping 730 matching lines @@
 #define MAYBE_AppWindowRestoreState DISABLED_AppWindowRestoreState
 #else
 #define MAYBE_AppWindowRestoreState AppWindowRestoreState
 #endif
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MAYBE_AppWindowRestoreState) {
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/restore_state"));
 }
 
 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);
   gfx::Rect current_screen_bounds(0, 0, 1600, 900);
   gfx::Size minimum_size(200, 200);
   gfx::Rect bounds;
   CallAdjustBoundsToBeVisibleOnScreenForAppWindow(window,
                                                   cached_bounds,
                                                   cached_screen_bounds,
                                                   current_screen_bounds,
@@ skipping 47 matching lines @@
 
   // Don't resize the bounds smaller than minimum size, when the minimum size is
   // larger than the screen.
   CallAdjustBoundsToBeVisibleOnScreenForAppWindow(window,
                                                   big_cache_bounds,
                                                   gfx::Rect(0, 0, 1600, 1000),
                                                   gfx::Rect(0, 0, 800, 600),
                                                   gfx::Size(900, 900),
                                                   &bounds);
   EXPECT_EQ(bounds, gfx::Rect(0, 0, 900, 900));
+  LOG(WARNING) << "Tests complete";
 }
 
 namespace {
 
 class PlatformAppDevToolsBrowserTest : public PlatformAppBrowserTest {
  protected:
   enum TestFlags {
     RELAUNCH = 0x1,
     HAS_ID = 0x2,
   };
@@ skipping 486 matching lines @@
 
     ExtensionApiTest::ResultCatcher result_catcher;
 
     ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
 
     EXPECT_TRUE(result_catcher.GetNextResult());
   }
 }
 
 }  // namespace extensions