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 DidReceiveData(const char* buffer, int length, int data_offset) {
    DCHECK(channel_ != NULL);
    DCHECK_GT(length, 0);
    std::vector<char> data;
    data.resize(static_cast<size_t>(length));
    memcpy(&data.front(), buffer, length);
    scoped_refptr<PluginChannelHost> channel_ref(channel_);
    channel_->Send(new PluginMsg_DidReceiveData(instance_id_, resource_id_,
                                                data, data_offset));
  }

  void DidReceiveData(const char* buffer, int length, int data_offset) {
    DCHECK(channel_ != NULL);
    DCHECK_GT(length, 0);
    std::vector<char> data;
    data.resize(static_cast<size_t>(length));
    memcpy(&data.front(), buffer, length);
    scoped_refptr<PluginChannelHost> channel_ref(channel_);
    channel_->Send(new PluginMsg_DidReceiveData(instance_id_, resource_id_,
                                                data, data_offset));
  }
