Cleanup: Fix some lint errors in content/.

content/common/gpu/client/gl_helper.cc

 // Copyright (c) 2012 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/common/gpu/client/gl_helper.h"
 
 #include <queue>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 190 matching lines @@
   ScopedTextureBinder(WebGraphicsContext3D* context,
                       WebGLId id)
       : ScopedBinder<target>(
           context,
           id,
           &WebGraphicsContext3D::bindTexture) {}
 };
 
 class ScopedFlush {
  public:
-  ScopedFlush(WebGraphicsContext3D* context)
+  explicit ScopedFlush(WebGraphicsContext3D* context)
       : context_(context) {
   }
 
   virtual ~ScopedFlush() {
     context_->flush();
   }
 
  private:
   WebGraphicsContext3D* context_;
 
@@ skipping 560 matching lines @@
   }
   return shader.Detach();
 }
 
 void GLHelper::InitCopyTextToImpl() {
   // Lazily initialize |copy_texture_to_impl_|
   if (!copy_texture_to_impl_.get())
     copy_texture_to_impl_.reset(new CopyTextureToImpl(context_,
                                                       context_for_thread_,
                                                       this));
-
 }
 
 void GLHelper::CopySubBufferDamage(WebKit::WebGLId texture,
                                    WebKit::WebGLId previous_texture,
                                    const SkRegion& new_damage,
                                    const SkRegion& old_damage) {
   SkRegion region(old_damage);
   if (region.op(new_damage, SkRegion::kDifference_Op)) {
     ScopedFramebuffer dst_framebuffer(context_, context_->createFramebuffer());
     ScopedFramebufferBinder<GL_FRAMEBUFFER> framebuffer_binder(
         context_, dst_framebuffer);
     ScopedTextureBinder<GL_TEXTURE_2D> texture_binder(context_, texture);
     context_->framebufferTexture2D(GL_FRAMEBUFFER,
                                    GL_COLOR_ATTACHMENT0,
                                    GL_TEXTURE_2D,
                                    previous_texture,
                                    0);
     for (SkRegion::Iterator it(region); !it.done(); it.next()) {
       const SkIRect& rect = it.rect();
       context_->copyTexSubImage2D(GL_TEXTURE_2D, 0,
                                   rect.x(), rect.y(),
                                   rect.x(), rect.y(),
                                   rect.width(), rect.height());
     }
     context_->flush();
   }
 }
 
 }  // namespace content