test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/WebTestThemeEngineMac.mm

 // Copyright 2013 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 "content/shell/renderer/test_runner/WebTestThemeEngineMac.h"
 
 #import <AppKit/NSAffineTransform.h>
 #import <AppKit/NSGraphicsContext.h>
 #import <AppKit/NSScroller.h>
 #import <AppKit/NSWindow.h>
@@ skipping 49 matching lines @@
     return self;
 }
 
 - (BOOL)_hasActiveControls
 {
     return hasActiveControls;
 }
 
 @end
 
-namespace WebTestRunner {
+namespace content {
 
 namespace {
 
 ThemeTrackEnableState stateToHIEnableState(WebThemeEngine::State state)
 {
     switch (state) {
     case WebThemeEngine::StateDisabled:
         return kThemeTrackDisabled;
     case WebThemeEngine::StateInactive:
         return kThemeTrackInactive;
     default:
         return kThemeTrackActive;
     }
 }
 
-}
+}  // namespace
 
 void WebTestThemeEngineMac::paintScrollbarThumb(
     WebCanvas* canvas,
     WebThemeEngine::State state,
     WebThemeEngine::Size size,
     const WebRect& rect,
     const WebThemeEngine::ScrollbarInfo& scrollbarInfo)
 {
     // To match the Mac port, we still use HITheme for inner scrollbars.
     if (scrollbarInfo.parent == WebThemeEngine::ScrollbarParentRenderLayer)
@@ skipping 70 matching lines @@
     [transform concat];
 
     [scroller drawKnob];
     CGContextRestoreGState(cgContext);
 
     [scroller release];
 
     [NSGraphicsContext restoreGraphicsState];
 }
 
-}
+}  // namespace content