Fix android build.

sky/engine/core/css/resolver/StyleAdjuster.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 40 matching lines @@
     case BLOCK:
     case FLEX:
     case INLINE_FLEX:
     case INLINE_BLOCK:
         return true;
 
     case NONE:
         ASSERT_NOT_REACHED();
         return false;
     }
+
+    ASSERT_NOT_REACHED();
+    return false;
 }
 
 static EDisplay equivalentInlineDisplay(EDisplay display)
 {
     switch (display) {
     // TODO(ojan): Do we need an INLINE_PARAGRAPH display?
     case PARAGRAPH:
         return INLINE;
 
     case BLOCK:
         return INLINE_BLOCK;
 
     case FLEX:
         return INLINE_FLEX;
 
     case INLINE:
     case INLINE_FLEX:
     case INLINE_BLOCK:
         return display;
 
     case NONE:
         ASSERT_NOT_REACHED();
         return NONE;
     }
+
+    ASSERT_NOT_REACHED();
+    return NONE;
 }
 
 static EDisplay equivalentBlockDisplay(EDisplay display)
 {
     switch (display) {
     case PARAGRAPH:
     case BLOCK:
     case FLEX:
         return display;
 
     case INLINE_FLEX:
         return FLEX;
 
     case INLINE:
     case INLINE_BLOCK:
         return BLOCK;
 
     case NONE:
         ASSERT_NOT_REACHED();
         return NONE;
     }
+
+    ASSERT_NOT_REACHED();
+    return NONE;
 }
 
 // CSS requires text-decoration to be reset at each DOM element for tables,
 // inline blocks, inline tables, shadow DOM crossings, floating elements,
 // and absolute or relatively positioned elements.
 static bool doesNotInheritTextDecoration(const RenderStyle* style, const Element& e)
 {
     return style->display() == INLINE_BLOCK || isAtShadowBoundary(&e) || style->hasOutOfFlowPosition();
 }
 
@@ skipping 151 matching lines @@
         // FIXME: Once we implement pagination controls, overflow-x should default to hidden
         // if overflow-y is set to -webkit-paged-x or -webkit-page-y. For now, we'll let it
         // default to auto so we can at least scroll through the pages.
         style->setOverflowX(OAUTO);
     } else if (style->overflowY() == OVISIBLE && style->overflowX() != OVISIBLE) {
         style->setOverflowY(OAUTO);
     }
 }
 
 }