Change other usages of .size() to .empty() when applicable.

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

 // Copyright (c) 2010 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 "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 994 matching lines @@
 DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv,
                  WGC3Denum, WGC3Denum, WGC3Dint*)
 
 WebGraphicsContext3D::Attributes WebGraphicsContext3DInProcessImpl::
     getContextAttributes() {
   return attributes_;
 }
 
 WGC3Denum WebGraphicsContext3DInProcessImpl::getError() {
   DCHECK(synthetic_errors_list_.size() == synthetic_errors_set_.size());
-  if (synthetic_errors_set_.size() > 0) {
+  if (!synthetic_errors_set_.empty()) {
     WGC3Denum error = synthetic_errors_list_.front();
     synthetic_errors_list_.pop_front();
     synthetic_errors_set_.erase(error);
     return error;
   }
 
   makeContextCurrent();
   return glGetError();
 }
 
@@ skipping 574 matching lines @@
     else
       ShGetObjectCode(compiler, entry->translated_source.get());
   }
   entry->is_valid = true;
   return true;
 }
 
 }  // namespace gpu
 }  // namespace webkit