Clean up calls like "gfx::Rect(0, 0, size().width(), size().height()".

The caller can use the much shorter "gfx::Rect(size())", since gfx::Rect
has a constructor that just takes a Size.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/2204001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@48283 0039d316-1c4b-4281-b951-d872f2087c98
void WebPluginDelegateProxy::WillDestroyWindow() {
  DCHECK(window_);
  plugin_->WillDestroyWindow(window_);
#if defined(OS_MACOSX)
  if (window_) {
    if (render_view_)
      render_view_->DestroyFakePluginWindowHandle(window_);
  }
#endif
  window_ = gfx::kNullPluginWindow;
}

void WebPluginDelegateProxy::WillDestroyWindow() {
  DCHECK(window_);
  plugin_->WillDestroyWindow(window_);
#if defined(OS_MACOSX)
  if (window_) {
    if (render_view_)
      render_view_->DestroyFakePluginWindowHandle(window_);
  }
#endif
  window_ = gfx::kNullPluginWindow;
}
