If desktop chrome is launched via the New Window/the recently opened url shortcuts on the chrome sh…

base/win/metro.cc

 // 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.
 
 #include "base/win/metro.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/windows_version.h"
@@ skipping 23 matching lines @@
   DCHECK(metro_module != kUninitialized);
   return metro_module;
 }
 
 bool IsMetroProcess() {
   enum ImmersiveState {
     kImmersiveUnknown,
     kImmersiveTrue,
     kImmersiveFalse
   };
-  typedef BOOL (WINAPI* IsImmersiveProcessFunc)(HANDLE process);
-
   // The immersive state of a process can never change.
   // Look it up once and cache it here.
   static ImmersiveState state = kImmersiveUnknown;
 
   if (state == kImmersiveUnknown) {
-    // The lookup hasn't been done yet. Note that the code below here is
-    // idempotent, so it doesn't matter if it races to assignment on multiple
-    // threads.
-    HMODULE user32 = ::GetModuleHandleA("user32.dll");
-    DCHECK(user32 != NULL);
-
-    IsImmersiveProcessFunc is_immersive_process =
-        reinterpret_cast<IsImmersiveProcessFunc>(
-            ::GetProcAddress(user32, "IsImmersiveProcess"));
-
-    if (is_immersive_process != NULL) {
-      if (is_immersive_process(::GetCurrentProcess())) {
-        state = kImmersiveTrue;
-      } else {
-        state = kImmersiveFalse;
-      }
+    if (IsProcessImmersive(::GetCurrentProcess())) {
+      state = kImmersiveTrue;
     } else {
-      // No "IsImmersiveProcess" export on user32.dll, so this is pre-Windows8
-      // and therefore not immersive.
       state = kImmersiveFalse;
     }
   }
   DCHECK_NE(kImmersiveUnknown, state);
+  return state == kImmersiveTrue;
+}
 
-  return state == kImmersiveTrue;
+bool IsProcessImmersive(HANDLE process) {
+  typedef BOOL (WINAPI* IsImmersiveProcessFunc)(HANDLE process);
+  HMODULE user32 = ::GetModuleHandleA("user32.dll");
+  DCHECK(user32 != NULL);
+
+  IsImmersiveProcessFunc is_immersive_process =
+      reinterpret_cast<IsImmersiveProcessFunc>(
+          ::GetProcAddress(user32, "IsImmersiveProcess"));
+
+  if (is_immersive_process)
+    return is_immersive_process(process) ? true: false;
+  return false;
 }
 
 bool IsTsfAwareRequired() {
   // Although this function is equal to IsMetroProcess at this moment,
   // Chrome for Win7 and Vista may support TSF in the future.
   return g_should_tsf_aware_required || IsMetroProcess();
 }
 
 void SetForceToUseTsf() {
   g_should_tsf_aware_required = true;
@@ skipping 99 matching lines @@
         reinterpret_cast<GetInitialSearchString>(
             ::GetProcAddress(metro, "GetInitialSearchString"));
     DCHECK(initial_search_string);
     *params = initial_search_string();
   }
   return launch_type;
 }
 
 }  // namespace win
 }  // namespace base