Fix some gcc 4.4 issues when compiling with toolkit_views.

chrome/browser/views/tabs/tab_strip.cc

 // Copyright (c) 2009 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 "chrome/browser/views/tabs/tab_strip.h"
 
 #include "app/drag_drop_types.h"
 #include "app/gfx/canvas.h"
 #include "app/gfx/path.h"
 #include "app/l10n_util.h"
@@ skipping 18 matching lines @@
 #include "grit/theme_resources.h"
 #include "views/controls/image_view.h"
 #include "views/painter.h"
 #include "views/widget/default_theme_provider.h"
 #include "views/window/non_client_view.h"
 #include "views/window/window.h"
 
 #undef min
 #undef max
 
+#if defined(COMPILER_GCC)
+// Squash false positive signed overflow warning in GenerateStartAndEndWidths
+// when doing 'start_tab_count < end_tab_count'.
+#pragma GCC diagnostic ignored "-Wstrict-overflow"
+#endif
+
 using views::DropTargetEvent;
 
 static const int kDefaultAnimationDurationMs = 100;
 static const int kResizeLayoutAnimationDurationMs = 166;
 static const int kReorderAnimationDurationMs = 166;
 
 static const int kNewTabButtonHOffset = -5;
 static const int kNewTabButtonVOffset = 5;
 static const int kResizeTabsTimeMs = 300;
 static const int kSuspendAnimationsTimeMs = 200;
@@ skipping 1583 matching lines @@
               &TabStrip::ResizeLayoutTabs),
           kResizeTabsTimeMs);
     }
   } else {
     // Mouse moved quickly out of the tab strip and then into it again, so
     // cancel the timer so that the strip doesn't move when the mouse moves
     // back over it.
     resize_layout_factory_.RevokeAll();
   }
 }