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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - iOS Simulator build fails because of duplicated symbols."
   href="https://bugs.webkit.org/show_bug.cgi?id=153620">153620</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>iOS Simulator build fails because of duplicated symbols.
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Local Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>iOS
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>iOS 9.2
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Tools / Tests
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>lpromero&#64;chromium.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>lforschler&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>iOS Simulator build fails because of duplicated symbols.

When compiling I get:
On Debug builds:
duplicate symbol _kMGQAppleInternalInstallCapability in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
duplicate symbol _kMGQiPadCapability in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
duplicate symbol _kMGQDeviceClassNumber in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
duplicate symbol _kMGQMainScreenPitch in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
...
duplicate symbol _kMGQDeviceName in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/UserAgentIOS.o
duplicate symbol _kMGQMainScreenScale in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/UserAgentIOS.o
ld: 30 duplicate symbols for architecture x86_64


To solve that, I move the definition to the cpp. I also had to remove one usage of one of the constants, so that it builds:
<a href="http://pastebin.com/ubMRJvWz">http://pastebin.com/ubMRJvWz</a></pre>
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