Adding a bit of logging to track down the reason for recent "LaunchBrowser(br...

chrome_frame/test/chrome_frame_test_utils.cc

Index: chrome_frame/test/chrome_frame_test_utils.cc
===================================================================
--- chrome_frame/test/chrome_frame_test_utils.cc	(revision 47420)
+++ chrome_frame/test/chrome_frame_test_utils.cc	(working copy)
@@ -139,15 +139,19 @@
   if (path.empty()) {
     path = FormatCommandForApp(executable, argument);
     if (path.empty()) {
-      DLOG(ERROR) << "Failed to find executable: " << executable;
+      LOG(ERROR) << "Failed to find executable: " << executable;
     } else {
       CommandLine cmdline = CommandLine::FromString(path);
-      base::LaunchApp(cmdline, false, false, &process);
+      if (!base::LaunchApp(cmdline, false, false, &process)) {
+        LOG(ERROR) << "LaunchApp failed: " << ::GetLastError();
+      }
     }
   } else {
     CommandLine cmdline((FilePath(path)));
     cmdline.AppendLooseValue(argument);
-    base::LaunchApp(cmdline, false, false, &process);
+    if (!base::LaunchApp(cmdline, false, false, &process)) {
+      LOG(ERROR) << "LaunchApp failed: " << ::GetLastError();
+    }
   }
   return process;
 }
@@ -198,13 +202,19 @@
   PROCESS_INFORMATION pi = {0};
   IELAUNCHURLINFO  info = {sizeof info, 0};
   HMODULE h = LoadLibrary(L"ieframe.dll");
-  if (!h)
+  if (!h) {
+    LOG(ERROR) << "Failed to load ieframe.dll: " << ::GetLastError();
     return NULL;
+  }
   launch = reinterpret_cast<IELaunchURLPtr>(GetProcAddress(h, "IELaunchURL"));
+  CHECK(launch);
   HRESULT hr = launch(url.c_str(), &pi, &info);
   FreeLibrary(h);
-  if (SUCCEEDED(hr))
+  if (SUCCEEDED(hr)) {
     CloseHandle(pi.hThread);
+  } else {
+    LOG(ERROR) << ::StringPrintf("IELaunchURL failed: 0x%08X", hr);
+  }
   return pi.hProcess;
 }